diff --git a/src/maths/solver.rs b/src/maths/solver.rs
index a5787dd..3860e25 100644
--- a/src/maths/solver.rs
+++ b/src/maths/solver.rs
@@ -46,7 +46,7 @@ fn simplify_sqrt(mut n: i128) -> (i128, i128) {
     let mut prime_factors = vec![];
     let mut prime = 3;
     println!("stuck {n}");
-    while n != 1 {
+    while n != 1 && prime * prime < n {
         if n % (prime - 1) == 0 {
             println!("stuck {n} {}", prime - 1);
             prime_factors.push(prime - 1);
@@ -170,7 +170,7 @@ fn get_strings(left_part: Rational, sqrt_delta: MySqrt) -> (String, String, Stri
         string_b = format!("{} + {string}", -a);
     }
 
-    
+
     let len = std::cmp::max(string_a.len(), format!("{d}").len()) + 2;
     let len_b = std::cmp::max(string_b.len(), format!("{d}").len()) + 2;
 
@@ -238,7 +238,7 @@ fn degree_two_complex(a: GaussianRational, b: GaussianRational, c: GaussianRatio
 
   2362         / 473 + sqrt(7896511271)   \    49              / -473 + sqrt(7896511271)   \
   ---- + sqrt |  ------------------------  | + -- i sign sqrt |  -------------------------  | i
-   32          \           45150          /    13              \           45150           /       
+   32          \           45150          /    13              \           45150           /
 
 */
 
@@ -299,7 +299,7 @@ fn degree_two_complex(a: GaussianRational, b: GaussianRational, c: GaussianRatio
     let string2 = format!("{} + sqrt |  {s2}  | + {} i {sign} sqrt |  {s5}  | i", "-".repeat(b_real_len), "-".repeat(b_imag_len));
     let string3 = format!("{}{}{}         \\ {s3} /    {}{}{}           \\ {s6} /   ", " ".repeat(space3 / 2), b.real.denominator, " ".repeat(space3 / 2 + space3 % 2), " ".repeat(space4 / 2), b.imaginary.denominator, " ".repeat(space4 / 2 + space4 % 2));
     */
-    
+
     println!("{string1}");
     println!("{string2}");
     println!("{string3}");
@@ -362,7 +362,7 @@ fn print_degree_two_real(left_part: Rational, sqrt_delta: MySqrt, imaginary: boo
         }
     }
 
-    
+
     let len = std::cmp::max(string.chars().count(), format!("{d}").len()) + 2;
 
     println!("{a} {b} {c} {d}");
@@ -400,7 +400,7 @@ fn degree_two_real(a: Rational, b: Rational, c: Rational) {
     }
     let mut sqrt_delta = sqrt(delta, a);
     let mut left_part = (-1 * b) / (2 * a);
-    
+
     let tmp = left_part.denominator;
 
     left_part.denominator *= sqrt_delta.denominator;
@@ -455,19 +455,19 @@ pub fn solve(mut equation: Vec<GaussianRational>) -> Vec<GaussianRational> {
 
   2362         / 473 + sqrt(7896511271)   \    49              / -473 + sqrt(7896511271)   \
   ---- + sqrt |  ------------------------  | + -- i sign sqrt |  -------------------------  | i
-   32          \           45150          /    13              \           45150           /       
+   32          \           45150          /    13              \           45150           /
 
 */
 
 /*
      /
-sqrt | 
+sqrt |
      \
 
 
                    / 473 + sqrt(7896511271)   \               / -473 + sqrt(7896511271)   \
 2362 + 37 *  sqrt |  ------------------------  | + 46 * sqrt |  -------------------------  |
-                   \           45150          /               \           45150           /       
+                   \           45150          /               \           45150           /
 
 --------------------------------------------------------------------------------------------- +
 
@@ -480,4 +480,4 @@ sqrt |
 --------------------------------------------------------------------------------------------- i
 
                                 21615671563
-                                */
\ No newline at end of file
+                                */