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  1. #include <stdio.h>
  2.  
  3. void prime_factor(int n, int a) {
  4.     if (n == 1) 
  5.         return;
  6.  
  7.     if (n % a == 0){
  8.     	printf("%d ",a);
  9.         prime_factor(n / a, a); 
  10.     }else 
  11.         prime_factor(n, a + 1); 
  12.  
  13. }
  14.  
  15. int main() {
  16.     int n;
  17.     scanf("%d", &n);
  18.  
  19.     if (n > 1) 
  20.         prime_factor(n, 2);
  21.  
  22.     return 0;
  23. }
  24.  
  25.  
Success #stdin #stdout 0.01s 5292KB
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https://ideone.com/Ztc4x7
language:
C (gcc 8.3)
created:
7 days ago
visibility:
public

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