diff --git a/src/main.rs b/src/main.rs
index e79de24..5fb0ff5 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -15,7 +15,7 @@ fn main()
 fn test(input: BigUint) -> u8 {
     let mut n = factorize(input);
     let mut counter = 1;
-    while (n.to_str_radix(10).chars().count() > 0) {
+    while (n.to_str_radix(10).chars().count() > 1) {
         n = factorize(n);
         println!("n: {:?}", n);
         counter += 1;