diff --git a/prepend_digit_primes/Cargo.lock b/prepend_digit_primes/Cargo.lock
new file mode 100644
index 0000000..90a58d7
--- /dev/null
+++ b/prepend_digit_primes/Cargo.lock
@@ -0,0 +1,91 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "autocfg"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
+
+[[package]]
+name = "hamming"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65043da274378d68241eb9a8f8f8aa54e349136f7b8e12f63e3ef44043cc30e1"
+
+[[package]]
+name = "num-integer"
+version = "0.1.43"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
+dependencies = [
+ "autocfg",
+]
+
+[[package]]
+name = "prepend_digit_primes"
+version = "0.1.0"
+dependencies = [
+ "primal",
+]
+
+[[package]]
+name = "primal"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7bf9e0aea92a2e2a931fafb1b5d4c6e438197bbca4943a9984b3327fb8e3b5d0"
+dependencies = [
+ "primal-check",
+ "primal-estimate",
+ "primal-sieve",
+]
+
+[[package]]
+name = "primal-bit"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2837edc85364907810b0ec880f1010dab1a9cc6e75bacb3655c7fd22e125ec1b"
+dependencies = [
+ "hamming",
+]
+
+[[package]]
+name = "primal-check"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01419cee72c1a1ca944554e23d83e483e1bccf378753344e881de28b5487511d"
+dependencies = [
+ "num-integer",
+]
+
+[[package]]
+name = "primal-estimate"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12e07b550a7cbfcaa567bcd28042919548016ad615b5731633fa5239992d853f"
+
+[[package]]
+name = "primal-sieve"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd0113d948c8f955a7ae96520023fe1e730eadbf26e67c4452f801a485e9d357"
+dependencies = [
+ "primal-bit",
+ "primal-estimate",
+ "smallvec",
+]
+
+[[package]]
+name = "smallvec"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
diff --git a/prepend_digit_primes/Cargo.toml b/prepend_digit_primes/Cargo.toml
new file mode 100644
index 0000000..89e4699
--- /dev/null
+++ b/prepend_digit_primes/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "prepend_digit_primes"
+version = "0.1.0"
+authors = ["William Ball <wball1@swarthmore.edu>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+primal = "0.3.0"
diff --git a/prepend_digit_primes/src/main.rs b/prepend_digit_primes/src/main.rs
new file mode 100644
index 0000000..fe1b384
--- /dev/null
+++ b/prepend_digit_primes/src/main.rs
@@ -0,0 +1,105 @@
+use std::collections::HashMap;
+
+#[derive(Debug)]
+struct Tree {
+    value: u128,
+    children: Vec<Tree>,
+}
+
+impl Tree {
+    fn new(value: u128, children: Vec<u128>) -> Tree {
+        let mut tree_children = Vec::with_capacity(children.len());
+        for child in children {
+            tree_children.push(Tree::new(child, Vec::new()));
+        }
+        Tree {
+            value,
+            children: tree_children,
+        }
+    }
+
+    fn to_string(&self) -> String {
+        let mut retval = format!("[{}: ", self.value);
+        for child in &self.children {
+            retval.push_str(&child.to_string()[..]);
+        }
+        retval.push(']');
+        retval
+    }
+
+    fn step(&mut self, primes: &mut HashMap<u128, bool>) {
+        if self.children.is_empty() {
+            let xs = step(self.value, primes);
+            for val in xs {
+                self.children.push(Tree::new(val, Vec::new()));
+            }
+            return;
+        }
+        for child in &mut self.children {
+            child.step(primes);
+        }
+    }
+
+    fn longest_path(&self) -> Vec<u128> {
+        if self.children.is_empty() {
+            return vec![self.value];
+        }
+        let mut max_path = vec![];
+        let mut max_length = 0;
+        for child in &self.children {
+            let temp = child.longest_path();
+            if temp.len() > max_length {
+                max_length = temp.len();
+                max_path = temp;
+            }
+        }
+        let mut retval = vec![self.value];
+        retval.append(&mut max_path);
+        return retval;
+    }
+}
+
+fn is_prime(n: u128, primes: &mut HashMap<u128, bool>) -> bool {
+    let res = primes.get(&n);
+    match res {
+        Some(val) => return *val,
+        None => {
+            let mut i = 2;
+            while i * i <= n {
+                if n % i == 0 {
+                    primes.insert(n, false);
+                    return false;
+                }
+                i += 1;
+            }
+            primes.insert(n, true);
+            return true;
+        }
+    }
+}
+
+fn digits(n: u128) -> u32 {
+    n.to_string().len() as u32
+}
+
+fn step(x: u128, primes: &mut HashMap<u128, bool>) -> Vec<u128> {
+    let mut new_xs = Vec::new();
+    let digits: u32 = digits(x);
+    for d in 1..10 {
+        let temp = d * 10u128.pow(digits) + x;
+        if is_prime(temp, primes) {
+            new_xs.push(temp);
+        }
+    }
+    return new_xs;
+}
+
+fn main() {
+    let mut tree = Tree::new(0, vec![2, 3, 5, 7]);
+    let mut primes = HashMap::new();
+    for i in 0..20 {
+        tree.step(&mut primes);
+        println!("{}: {:?}", i, tree.longest_path());
+    }
+    println!("{}", tree.to_string());
+}
diff --git a/prepend_digit_primes/target/.rustc_info.json b/prepend_digit_primes/target/.rustc_info.json
new file mode 100644
index 0000000..48ba509
--- /dev/null
+++ b/prepend_digit_primes/target/.rustc_info.json
@@ -0,0 +1 @@
+{"rustc_fingerprint":8820382293931632979,"outputs":{"1164083562126845933":["rustc 1.44.1 (c7087fe00 2020-06-17)\nbinary: rustc\ncommit-hash: c7087fe00d2ba919df1d813c040a5d47e43b0fe7\ncommit-date: 2020-06-17\nhost: x86_64-unknown-linux-gnu\nrelease: 1.44.1\nLLVM version: 9.0\n",""],"4476964694761187371":["___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/home/wball1/.rustup/toolchains/stable-x86_64-unknown-linux-gnu\ndebug_assertions\nproc_macro\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n",""]},"successes":{}}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.cargo-lock b/prepend_digit_primes/target/debug/.cargo-lock
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/dep-lib-autocfg-1448277b90571096 b/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/dep-lib-autocfg-1448277b90571096
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/lib-autocfg-1448277b90571096 b/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/lib-autocfg-1448277b90571096
new file mode 100644
index 0000000..d8ed047
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/lib-autocfg-1448277b90571096
@@ -0,0 +1 @@
+c5528a5f14600894
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/lib-autocfg-1448277b90571096.json b/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/lib-autocfg-1448277b90571096.json
new file mode 100644
index 0000000..aa910c6
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/autocfg-1448277b90571096/lib-autocfg-1448277b90571096.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[]","target":8574161726611873773,"profile":9935990280773120926,"path":2231583120935216222,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/autocfg-1448277b90571096/dep-lib-autocfg-1448277b90571096"}}],"rustflags":[],"metadata":13102859075309379048}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/dep-lib-hamming-f7cd00fddb2c0dde b/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/dep-lib-hamming-f7cd00fddb2c0dde
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/lib-hamming-f7cd00fddb2c0dde b/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/lib-hamming-f7cd00fddb2c0dde
new file mode 100644
index 0000000..fcb6c3e
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/lib-hamming-f7cd00fddb2c0dde
@@ -0,0 +1 @@
+aaaa1509f24bbb11
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/lib-hamming-f7cd00fddb2c0dde.json b/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/lib-hamming-f7cd00fddb2c0dde.json
new file mode 100644
index 0000000..e34c2ea
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/hamming-f7cd00fddb2c0dde/lib-hamming-f7cd00fddb2c0dde.json
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/dep-lib-num_integer-10062f162ce3dcba b/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/dep-lib-num_integer-10062f162ce3dcba
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/lib-num_integer-10062f162ce3dcba b/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/lib-num_integer-10062f162ce3dcba
new file mode 100644
index 0000000..a325edb
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/lib-num_integer-10062f162ce3dcba
@@ -0,0 +1 @@
+9b051c300bfdadce
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/lib-num_integer-10062f162ce3dcba.json b/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/lib-num_integer-10062f162ce3dcba.json
new file mode 100644
index 0000000..94087f8
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-integer-10062f162ce3dcba/lib-num_integer-10062f162ce3dcba.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[\"default\", \"std\"]","target":7800718724727423882,"profile":9935990280773120926,"path":18360201026855538313,"deps":[[74873448883125965,"num_traits",false,5214679006096731788],[13053465359523334410,"build_script_build",false,2720251519998876714]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/num-integer-10062f162ce3dcba/dep-lib-num_integer-10062f162ce3dcba"}}],"rustflags":[],"metadata":58200369117550911}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-5388b70d3d6e3c6d/run-build-script-build_script_build-5388b70d3d6e3c6d b/prepend_digit_primes/target/debug/.fingerprint/num-integer-5388b70d3d6e3c6d/run-build-script-build_script_build-5388b70d3d6e3c6d
new file mode 100644
index 0000000..d5fd56d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-integer-5388b70d3d6e3c6d/run-build-script-build_script_build-5388b70d3d6e3c6d
@@ -0,0 +1 @@
+2adc3f4d5846c025
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-5388b70d3d6e3c6d/run-build-script-build_script_build-5388b70d3d6e3c6d.json b/prepend_digit_primes/target/debug/.fingerprint/num-integer-5388b70d3d6e3c6d/run-build-script-build_script_build-5388b70d3d6e3c6d.json
new file mode 100644
index 0000000..c0c18c7
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-integer-5388b70d3d6e3c6d/run-build-script-build_script_build-5388b70d3d6e3c6d.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"","target":0,"profile":0,"path":0,"deps":[[13053465359523334410,"build_script_build",false,4308177619064313783]],"local":[{"RerunIfChanged":{"output":"debug/build/num-integer-5388b70d3d6e3c6d/output","paths":["build.rs"]}}],"rustflags":[],"metadata":0}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/build-script-build_script_build-86e8599f0ba8be3b b/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/build-script-build_script_build-86e8599f0ba8be3b
new file mode 100644
index 0000000..824b15c
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/build-script-build_script_build-86e8599f0ba8be3b
@@ -0,0 +1 @@
+b7d79d05b8b8c93b
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/build-script-build_script_build-86e8599f0ba8be3b.json b/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/build-script-build_script_build-86e8599f0ba8be3b.json
new file mode 100644
index 0000000..5f9363b
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/build-script-build_script_build-86e8599f0ba8be3b.json
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/dep-build-script-build_script_build-86e8599f0ba8be3b b/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/dep-build-script-build_script_build-86e8599f0ba8be3b
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-integer-86e8599f0ba8be3b/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/dep-lib-num_traits-2d7b6f05babe375a b/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/dep-lib-num_traits-2d7b6f05babe375a
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/lib-num_traits-2d7b6f05babe375a b/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/lib-num_traits-2d7b6f05babe375a
new file mode 100644
index 0000000..1463aef
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/lib-num_traits-2d7b6f05babe375a
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/lib-num_traits-2d7b6f05babe375a.json b/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/lib-num_traits-2d7b6f05babe375a.json
new file mode 100644
index 0000000..f2682d2
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-traits-2d7b6f05babe375a/lib-num_traits-2d7b6f05babe375a.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[\"std\"]","target":16894502179009968931,"profile":9935990280773120926,"path":12734757048507417164,"deps":[[74873448883125965,"build_script_build",false,1177636347299814283]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/num-traits-2d7b6f05babe375a/dep-lib-num_traits-2d7b6f05babe375a"}}],"rustflags":[],"metadata":14621636500951049976}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-30608ef2ad545d45/run-build-script-build_script_build-30608ef2ad545d45 b/prepend_digit_primes/target/debug/.fingerprint/num-traits-30608ef2ad545d45/run-build-script-build_script_build-30608ef2ad545d45
new file mode 100644
index 0000000..d72e66d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-traits-30608ef2ad545d45/run-build-script-build_script_build-30608ef2ad545d45
@@ -0,0 +1 @@
+8bdb64bb04ce5710
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-30608ef2ad545d45/run-build-script-build_script_build-30608ef2ad545d45.json b/prepend_digit_primes/target/debug/.fingerprint/num-traits-30608ef2ad545d45/run-build-script-build_script_build-30608ef2ad545d45.json
new file mode 100644
index 0000000..775a482
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-traits-30608ef2ad545d45/run-build-script-build_script_build-30608ef2ad545d45.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"","target":0,"profile":0,"path":0,"deps":[[74873448883125965,"build_script_build",false,7876043645613464414]],"local":[{"RerunIfChanged":{"output":"debug/build/num-traits-30608ef2ad545d45/output","paths":["build.rs"]}}],"rustflags":[],"metadata":0}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/build-script-build_script_build-91eaf6e1267a55a4 b/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/build-script-build_script_build-91eaf6e1267a55a4
new file mode 100644
index 0000000..42fa0c6
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/build-script-build_script_build-91eaf6e1267a55a4
@@ -0,0 +1 @@
+5e5b4374f7534d6d
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/build-script-build_script_build-91eaf6e1267a55a4.json b/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/build-script-build_script_build-91eaf6e1267a55a4.json
new file mode 100644
index 0000000..3788077
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/build-script-build_script_build-91eaf6e1267a55a4.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[\"std\"]","target":10088282520713642473,"profile":9935990280773120926,"path":8738564288946884329,"deps":[[9245478811527615946,"autocfg",false,10666881358045532869]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/num-traits-91eaf6e1267a55a4/dep-build-script-build_script_build-91eaf6e1267a55a4"}}],"rustflags":[],"metadata":14621636500951049976}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/dep-build-script-build_script_build-91eaf6e1267a55a4 b/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/dep-build-script-build_script_build-91eaf6e1267a55a4
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/num-traits-91eaf6e1267a55a4/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-9dcc18b5baa2036e/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-9dcc18b5baa2036e/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-9dcc18b5baa2036e/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-9dcc18b5baa2036e/output b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-9dcc18b5baa2036e/output
new file mode 100644
index 0000000..83b818d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-9dcc18b5baa2036e/output
@@ -0,0 +1,6 @@
+{"message":"failed to resolve: use of undeclared type or module `primal`","code":{"code":"E0433","explanation":"An undeclared type or module was used.\n\nErroneous code example:\n\n```compile_fail,E0433\nlet map = HashMap::new();\n// error: failed to resolve: use of undeclared type or module `HashMap`\n```\n\nPlease verify you didn't misspell the type/module's name or that you didn't\nforget to import it:\n\n\n```\nuse std::collections::HashMap; // HashMap has been imported.\nlet map: HashMap<u32, u32> = HashMap::new(); // So it can be used!\n```\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":1714,"byte_end":1720,"line_start":69,"line_end":69,"column_start":12,"column_end":18,"is_primary":true,"text":[{"text":"        if primal::is_prime(temp) {","highlight_start":12,"highlight_end":18}],"label":"use of undeclared type or module `primal`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0433]\u001b[0m\u001b[0m\u001b[1m: failed to resolve: use of undeclared type or module `primal`\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:69:12\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m69\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m        if primal::is_prime(temp) {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m           \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9muse of undeclared type or module `primal`\u001b[0m\n\n"}
+{"message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.\n\nErroneous code example:\n\n```compile_fail,E0308\nlet x: i32 = \"I am not a number!\";\n//     ~~~   ~~~~~~~~~~~~~~~~~~~~\n//      |             |\n//      |    initializing expression;\n//      |    compiler infers type `&str`\n//      |\n//    type `i32` assigned to variable `x`\n```\n\nThis error occurs when the compiler was unable to infer the concrete type of a\nvariable. It can happen in several cases, the most common being a mismatch\nbetween the type that the compiler inferred for a variable based on its\ninitializing expression, on the one hand, and the type the author explicitly\nassigned to the variable, on the other hand.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":1522,"byte_end":1541,"line_start":61,"line_end":61,"column_start":5,"column_end":24,"is_primary":true,"text":[{"text":"    n.to_string().len()","highlight_start":5,"highlight_end":24}],"label":"expected `u64`, found `usize`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"src/main.rs","byte_start":1512,"byte_end":1515,"line_start":60,"line_end":60,"column_start":22,"column_end":25,"is_primary":false,"text":[{"text":"fn digits(n: u64) -> u64 {","highlight_start":22,"highlight_end":25}],"label":"expected `u64` because of return type","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"you can convert an `usize` to `u64` and panic if the converted value wouldn't fit","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":1522,"byte_end":1541,"line_start":61,"line_end":61,"column_start":5,"column_end":24,"is_primary":true,"text":[{"text":"    n.to_string().len()","highlight_start":5,"highlight_end":24}],"label":null,"suggested_replacement":"n.to_string().len().try_into().unwrap()","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0308]\u001b[0m\u001b[0m\u001b[1m: mismatched types\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:61:5\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m60\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0mfn digits(n: u64) -> u64 {\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m                     \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m---\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12mexpected `u64` because of return type\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m61\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m    n.to_string().len()\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m    \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^^^^^^^^^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mexpected `u64`, found `usize`\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: you can convert an `usize` to `u64` and panic if the converted value wouldn't fit\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m61\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m    n.to_string().len().try_into().unwrap()\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\n"}
+{"message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.\n\nErroneous code example:\n\n```compile_fail,E0308\nlet x: i32 = \"I am not a number!\";\n//     ~~~   ~~~~~~~~~~~~~~~~~~~~\n//      |             |\n//      |    initializing expression;\n//      |    compiler infers type `&str`\n//      |\n//    type `i32` assigned to variable `x`\n```\n\nThis error occurs when the compiler was unable to infer the concrete type of a\nvariable. It can happen in several cases, the most common being a mismatch\nbetween the type that the compiler inferred for a variable based on its\ninitializing expression, on the one hand, and the type the author explicitly\nassigned to the variable, on the other hand.\n"},"level":"error","spans":[{"file_name":"src/main.rs","byte_start":1694,"byte_end":1700,"line_start":68,"line_end":68,"column_start":34,"column_end":40,"is_primary":true,"text":[{"text":"        let temp = d * 10u64.pow(digits);","highlight_start":34,"highlight_end":40}],"label":"expected `u32`, found `u64`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"you can convert an `u64` to `u32` and panic if the converted value wouldn't fit","code":null,"level":"help","spans":[{"file_name":"src/main.rs","byte_start":1694,"byte_end":1700,"line_start":68,"line_end":68,"column_start":34,"column_end":40,"is_primary":true,"text":[{"text":"        let temp = d * 10u64.pow(digits);","highlight_start":34,"highlight_end":40}],"label":null,"suggested_replacement":"digits.try_into().unwrap()","suggestion_applicability":"MachineApplicable","expansion":null}],"children":[],"rendered":null}],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror[E0308]\u001b[0m\u001b[0m\u001b[1m: mismatched types\u001b[0m\n\u001b[0m  \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m--> \u001b[0m\u001b[0msrc/main.rs:68:34\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m68\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m        let temp = d * 10u64.pow(digits);\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m                                 \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9m^^^^^^\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;9mexpected `u32`, found `u64`\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;14mhelp\u001b[0m\u001b[0m: you can convert an `u64` to `u32` and panic if the converted value wouldn't fit\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m|\u001b[0m\n\u001b[0m\u001b[1m\u001b[38;5;12m68\u001b[0m\u001b[0m \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m        let temp = d * 10u64.pow(digits.try_into().unwrap());\u001b[0m\n\u001b[0m   \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;12m| \u001b[0m\u001b[0m                                 \u001b[0m\u001b[0m\u001b[1m\u001b[38;5;14m^^^^^^^^^^^^^^^^^^^^^^^^^^\u001b[0m\n\n"}
+{"message":"aborting due to 3 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1m\u001b[38;5;9merror\u001b[0m\u001b[0m\u001b[1m: aborting due to 3 previous errors\u001b[0m\n\n"}
+{"message":"Some errors have detailed explanations: E0308, E0433.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mSome errors have detailed explanations: E0308, E0433.\u001b[0m\n"}
+{"message":"For more information about an error, try `rustc --explain E0308`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"\u001b[0m\u001b[1mFor more information about an error, try `rustc --explain E0308`.\u001b[0m\n"}
diff --git a/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/bin-prepend_digit_primes-a1cb9ebc92515835 b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/bin-prepend_digit_primes-a1cb9ebc92515835
new file mode 100644
index 0000000..b8cba67
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/bin-prepend_digit_primes-a1cb9ebc92515835
@@ -0,0 +1 @@
+6ce7934f67432c1e
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/bin-prepend_digit_primes-a1cb9ebc92515835.json b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/bin-prepend_digit_primes-a1cb9ebc92515835.json
new file mode 100644
index 0000000..e6e9998
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/bin-prepend_digit_primes-a1cb9ebc92515835.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[]","target":3956642137505464643,"profile":14996655781355331481,"path":1036222786711178230,"deps":[[17532073805171608632,"primal",false,4480843508244492526]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/dep-bin-prepend_digit_primes-a1cb9ebc92515835"}}],"rustflags":[],"metadata":18079067696405074419}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/dep-bin-prepend_digit_primes-a1cb9ebc92515835 b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/dep-bin-prepend_digit_primes-a1cb9ebc92515835
new file mode 100644
index 0000000..cdefce3
Binary files /dev/null and b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/dep-bin-prepend_digit_primes-a1cb9ebc92515835 differ
diff --git a/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/prepend_digit_primes-a1cb9ebc92515835/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/dep-lib-primal-7f7bbfb91418db8c b/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/dep-lib-primal-7f7bbfb91418db8c
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/lib-primal-7f7bbfb91418db8c b/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/lib-primal-7f7bbfb91418db8c
new file mode 100644
index 0000000..5be354e
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/lib-primal-7f7bbfb91418db8c
@@ -0,0 +1 @@
+ee3007236e272f3e
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/lib-primal-7f7bbfb91418db8c.json b/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/lib-primal-7f7bbfb91418db8c.json
new file mode 100644
index 0000000..505ee43
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-7f7bbfb91418db8c/lib-primal-7f7bbfb91418db8c.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[]","target":4513600356512600704,"profile":9935990280773120926,"path":9794512189424769904,"deps":[[2637431931613344447,"primal_check",false,2927607459513826153],[14235317146973303535,"primal_sieve",false,8235806422586020816],[16083193364972783737,"primal_estimate",false,1336457528261984209]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/primal-7f7bbfb91418db8c/dep-lib-primal-7f7bbfb91418db8c"}}],"rustflags":[],"metadata":10541863805242775778}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/dep-lib-primal_bit-96677df9de002578 b/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/dep-lib-primal_bit-96677df9de002578
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/lib-primal_bit-96677df9de002578 b/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/lib-primal_bit-96677df9de002578
new file mode 100644
index 0000000..263ae98
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/lib-primal_bit-96677df9de002578
@@ -0,0 +1 @@
+ef2f911a59d2bf81
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/lib-primal_bit-96677df9de002578.json b/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/lib-primal_bit-96677df9de002578.json
new file mode 100644
index 0000000..8b1b2b2
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-bit-96677df9de002578/lib-primal_bit-96677df9de002578.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[]","target":4659132901410725190,"profile":9935990280773120926,"path":8929134705354873327,"deps":[[8531466953748503375,"hamming",false,1277698422196251306]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/primal-bit-96677df9de002578/dep-lib-primal_bit-96677df9de002578"}}],"rustflags":[],"metadata":16167354259392498579}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/dep-lib-primal_check-45820c184352cf6a b/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/dep-lib-primal_check-45820c184352cf6a
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/lib-primal_check-45820c184352cf6a b/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/lib-primal_check-45820c184352cf6a
new file mode 100644
index 0000000..ea4b488
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/lib-primal_check-45820c184352cf6a
@@ -0,0 +1 @@
+69fb1a2a79f3a028
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/lib-primal_check-45820c184352cf6a.json b/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/lib-primal_check-45820c184352cf6a.json
new file mode 100644
index 0000000..3021acf
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-check-45820c184352cf6a/lib-primal_check-45820c184352cf6a.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[]","target":9822319782654175482,"profile":9935990280773120926,"path":13545799632343095798,"deps":[[13053465359523334410,"num_integer",false,14892837767277708699]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/primal-check-45820c184352cf6a/dep-lib-primal_check-45820c184352cf6a"}}],"rustflags":[],"metadata":7493097427140581252}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/dep-lib-primal_estimate-501c201e57ed9082 b/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/dep-lib-primal_estimate-501c201e57ed9082
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/lib-primal_estimate-501c201e57ed9082 b/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/lib-primal_estimate-501c201e57ed9082
new file mode 100644
index 0000000..3d27e87
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/lib-primal_estimate-501c201e57ed9082
@@ -0,0 +1 @@
+d1bf73850a0d8c12
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/lib-primal_estimate-501c201e57ed9082.json b/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/lib-primal_estimate-501c201e57ed9082.json
new file mode 100644
index 0000000..3ce9d32
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-estimate-501c201e57ed9082/lib-primal_estimate-501c201e57ed9082.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[]","target":6950886450152894389,"profile":9935990280773120926,"path":14615040360027345179,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/primal-estimate-501c201e57ed9082/dep-lib-primal_estimate-501c201e57ed9082"}}],"rustflags":[],"metadata":8867417447345094579}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/dep-lib-primal_sieve-6c2809511c80f371 b/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/dep-lib-primal_sieve-6c2809511c80f371
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/lib-primal_sieve-6c2809511c80f371 b/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/lib-primal_sieve-6c2809511c80f371
new file mode 100644
index 0000000..5cc1558
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/lib-primal_sieve-6c2809511c80f371
@@ -0,0 +1 @@
+d0d31e614e764b72
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/lib-primal_sieve-6c2809511c80f371.json b/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/lib-primal_sieve-6c2809511c80f371.json
new file mode 100644
index 0000000..26cdfdb
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/primal-sieve-6c2809511c80f371/lib-primal_sieve-6c2809511c80f371.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[]","target":4535063106481711439,"profile":9935990280773120926,"path":3258652851284269613,"deps":[[7853083695984070762,"smallvec",false,16010109303002512792],[16083193364972783737,"primal_estimate",false,1336457528261984209],[16094930107278604660,"primal_bit",false,9349422631584083951]],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/primal-sieve-6c2809511c80f371/dep-lib-primal_sieve-6c2809511c80f371"}}],"rustflags":[],"metadata":5969421905829136718}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/dep-lib-smallvec-786a9391403f62be b/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/dep-lib-smallvec-786a9391403f62be
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/invoked.timestamp b/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/lib-smallvec-786a9391403f62be b/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/lib-smallvec-786a9391403f62be
new file mode 100644
index 0000000..92627dc
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/lib-smallvec-786a9391403f62be
@@ -0,0 +1 @@
+983da4fc95552fde
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/lib-smallvec-786a9391403f62be.json b/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/lib-smallvec-786a9391403f62be.json
new file mode 100644
index 0000000..b386e75
--- /dev/null
+++ b/prepend_digit_primes/target/debug/.fingerprint/smallvec-786a9391403f62be/lib-smallvec-786a9391403f62be.json
@@ -0,0 +1 @@
+{"rustc":11295616921483704964,"features":"[]","target":11680772787092534394,"profile":9935990280773120926,"path":17915281146219452528,"deps":[],"local":[{"CheckDepInfo":{"dep_info":"debug/.fingerprint/smallvec-786a9391403f62be/dep-lib-smallvec-786a9391403f62be"}}],"rustflags":[],"metadata":11511323240339246835}
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/invoked.timestamp b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/out/probe0.ll b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/out/probe0.ll
new file mode 100644
index 0000000..3f326ee
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/out/probe0.ll
@@ -0,0 +1,9 @@
+; ModuleID = 'probe0.3a1fbbbh-cgu.0'
+source_filename = "probe0.3a1fbbbh-cgu.0"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 7, !"PIC Level", i32 2}
+!1 = !{i32 2, !"RtLibUseGOT", i32 1}
diff --git a/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/out/probe1.ll b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/out/probe1.ll
new file mode 100644
index 0000000..7c72e2d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/out/probe1.ll
@@ -0,0 +1,9 @@
+; ModuleID = 'probe1.3a1fbbbh-cgu.0'
+source_filename = "probe1.3a1fbbbh-cgu.0"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 7, !"PIC Level", i32 2}
+!1 = !{i32 2, !"RtLibUseGOT", i32 1}
diff --git a/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/output b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/output
new file mode 100644
index 0000000..d02cb90
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/output
@@ -0,0 +1,2 @@
+cargo:rustc-cfg=has_i128
+cargo:rerun-if-changed=build.rs
diff --git a/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/root-output b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/root-output
new file mode 100644
index 0000000..7e6a180
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/root-output
@@ -0,0 +1 @@
+/home/wball1/math/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/out
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/stderr b/prepend_digit_primes/target/debug/build/num-integer-5388b70d3d6e3c6d/stderr
new file mode 100644
index 0000000..e69de29
diff --git a/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build-script-build b/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build-script-build
new file mode 100755
index 0000000..bba8130
Binary files /dev/null and b/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build-script-build differ
diff --git a/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build_script_build-86e8599f0ba8be3b b/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build_script_build-86e8599f0ba8be3b
new file mode 100755
index 0000000..bba8130
Binary files /dev/null and b/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build_script_build-86e8599f0ba8be3b differ
diff --git a/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build_script_build-86e8599f0ba8be3b.d b/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build_script_build-86e8599f0ba8be3b.d
new file mode 100644
index 0000000..bbe3c12
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build_script_build-86e8599f0ba8be3b.d
@@ -0,0 +1,5 @@
+/home/wball1/math/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build_script_build-86e8599f0ba8be3b: /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/num-integer-0.1.43/build.rs
+
+/home/wball1/math/prepend_digit_primes/target/debug/build/num-integer-86e8599f0ba8be3b/build_script_build-86e8599f0ba8be3b.d: /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/num-integer-0.1.43/build.rs
+
+/home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/num-integer-0.1.43/build.rs:
diff --git a/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/invoked.timestamp b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/invoked.timestamp
new file mode 100644
index 0000000..e00328d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/invoked.timestamp
@@ -0,0 +1 @@
+This file has an mtime of when this was started.
\ No newline at end of file
diff --git a/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe0.ll b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe0.ll
new file mode 100644
index 0000000..3f326ee
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe0.ll
@@ -0,0 +1,9 @@
+; ModuleID = 'probe0.3a1fbbbh-cgu.0'
+source_filename = "probe0.3a1fbbbh-cgu.0"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 7, !"PIC Level", i32 2}
+!1 = !{i32 2, !"RtLibUseGOT", i32 1}
diff --git a/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe1.ll b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe1.ll
new file mode 100644
index 0000000..7c72e2d
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe1.ll
@@ -0,0 +1,9 @@
+; ModuleID = 'probe1.3a1fbbbh-cgu.0'
+source_filename = "probe1.3a1fbbbh-cgu.0"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 7, !"PIC Level", i32 2}
+!1 = !{i32 2, !"RtLibUseGOT", i32 1}
diff --git a/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe2.ll b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe2.ll
new file mode 100644
index 0000000..656123f
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out/probe2.ll
@@ -0,0 +1,50 @@
+; ModuleID = 'probe2.3a1fbbbh-cgu.0'
+source_filename = "probe2.3a1fbbbh-cgu.0"
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+; core::f64::<impl f64>::to_int_unchecked
+; Function Attrs: inlinehint nonlazybind uwtable
+define i32 @"_ZN4core3f6421_$LT$impl$u20$f64$GT$16to_int_unchecked17h35ddf94b83fa670eE"(double %self) unnamed_addr #0 {
+start:
+; call <f64 as core::convert::num::FloatToInt<i32>>::to_int_unchecked
+  %0 = call i32 @"_ZN65_$LT$f64$u20$as$u20$core..convert..num..FloatToInt$LT$i32$GT$$GT$16to_int_unchecked17h83890e443cecc86cE"(double %self)
+  br label %bb1
+
+bb1:                                              ; preds = %start
+  ret i32 %0
+}
+
+; <f64 as core::convert::num::FloatToInt<i32>>::to_int_unchecked
+; Function Attrs: inlinehint nonlazybind uwtable
+define internal i32 @"_ZN65_$LT$f64$u20$as$u20$core..convert..num..FloatToInt$LT$i32$GT$$GT$16to_int_unchecked17h83890e443cecc86cE"(double %self) unnamed_addr #0 {
+start:
+  %0 = alloca i32, align 4
+  %1 = fptosi double %self to i32
+  store i32 %1, i32* %0, align 4
+  %2 = load i32, i32* %0, align 4
+  br label %bb1
+
+bb1:                                              ; preds = %start
+  ret i32 %2
+}
+
+; probe2::probe
+; Function Attrs: nonlazybind uwtable
+define void @_ZN6probe25probe17h22946313ba01cf45E() unnamed_addr #1 {
+start:
+; call core::f64::<impl f64>::to_int_unchecked
+  %_1 = call i32 @"_ZN4core3f6421_$LT$impl$u20$f64$GT$16to_int_unchecked17h35ddf94b83fa670eE"(double 1.000000e+00)
+  br label %bb1
+
+bb1:                                              ; preds = %start
+  ret void
+}
+
+attributes #0 = { inlinehint nonlazybind uwtable "probe-stack"="__rust_probestack" "target-cpu"="x86-64" }
+attributes #1 = { nonlazybind uwtable "probe-stack"="__rust_probestack" "target-cpu"="x86-64" }
+
+!llvm.module.flags = !{!0, !1}
+
+!0 = !{i32 7, !"PIC Level", i32 2}
+!1 = !{i32 2, !"RtLibUseGOT", i32 1}
diff --git a/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/output b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/output
new file mode 100644
index 0000000..7d4e690
--- /dev/null
+++ b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/output
@@ -0,0 +1,3 @@
+cargo:rustc-cfg=has_i128
+cargo:rustc-cfg=has_to_int_unchecked
+cargo:rerun-if-changed=build.rs
diff --git a/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/root-output b/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/root-output
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index 0000000..6cb4c79
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+/home/wball1/math/prepend_digit_primes/target/debug/build/num-traits-30608ef2ad545d45/out
\ No newline at end of file
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new file mode 100644
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+
+/home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/num-traits-0.2.12/build.rs:
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+/home/wball1/math/prepend_digit_primes/target/debug/deps/autocfg-1448277b90571096.d: /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.0/src/lib.rs /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.0/src/error.rs /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.0/src/version.rs
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+/home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.0/src/lib.rs:
+/home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.0/src/error.rs:
+/home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.0/src/version.rs:
diff --git a/prepend_digit_primes/target/debug/deps/hamming-f7cd00fddb2c0dde.d b/prepend_digit_primes/target/debug/deps/hamming-f7cd00fddb2c0dde.d
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+
+/home/wball1/math/prepend_digit_primes/target/debug/deps/libhamming-f7cd00fddb2c0dde.rlib: /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/hamming-0.1.3/src/lib.rs /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/hamming-0.1.3/src/weight_.rs /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/hamming-0.1.3/src/distance_.rs
+
+/home/wball1/math/prepend_digit_primes/target/debug/deps/hamming-f7cd00fddb2c0dde.d: /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/hamming-0.1.3/src/lib.rs /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/hamming-0.1.3/src/weight_.rs /home/wball1/.cargo/registry/src/github.com-1ecc6299db9ec823/hamming-0.1.3/src/distance_.rs
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diff --git a/prepend_digit_primes/target/debug/deps/libautocfg-1448277b90571096.rlib b/prepend_digit_primes/target/debug/deps/libautocfg-1448277b90571096.rlib
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+/home/wball1/math/prepend_digit_primes/target/debug/prepend_digit_primes: /home/wball1/math/prepend_digit_primes/src/main.rs