init

problems/p5/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "p5"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+
+num-integer = "0.1"

problems/p5/src/main.rs

@@ -0,0 +1,9 @@
+use num_integer::Integer;
+
+fn main() {
+    let mut result = 1;
+    for i in 1..=20 {
+        result = i.lcm(&result);
+    }
+    println!("{result}");
+}