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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n,i,t=0;
  5. 	scanf("%d",&n);
  6. 	for(i=2;i<n;i++){
  7. 		if(n%i==0){
  8. 			t++;
  9. 		}
  10. 	}
  11. 	if(t!=0){
  12. 		printf("%dは素数ではありません",n);
  13. 	}
  14. 	else{
  15. 		printf("%dは素数です",n);
  16. 	}
  17. 	return 0;
  18. }
  19.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin
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323
stdout
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323は素数ではありません
https://ideone.com/DNnkku
language:
C99 (gcc 8.3)
created:
13 hours ago
visibility:
public

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