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

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