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  1. #include <stdio.h>
  2.  
  3. void prime_factor(int n, int d){
  4.     if(n == 1){
  5.         return;
  6.     }
  7.  
  8.     if(n % d == 0){
  9.         printf("%d ", d);
  10.         prime_factor(n / d, d);
  11.     }else{
  12.         prime_factor(n, d + 1);
  13.     }
  14. }
  15.  
  16. int main(void){
  17.     int n;
  18.  
  19.     scanf("%d", &n);
  20.  
  21.     prime_factor(n, 2);
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0.01s 5320KB
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https://ideone.com/OlmBTf
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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