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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a,i;
  5. 	scanf("%d",&a);
  6. 	for(i=2;i<a;i++){
  7. 		if(a%i==0){
  8. 			break;
  9. 		}
  10. 	}
  11. 	if(i==a){
  12. 		printf("入力された整数:%d\n素数",a);
  13. 	}
  14. 	else
  15. 	printf("入力された整数:%d\n素数ではない",a);
  16. 	return 0;
  17. }
  18.  
Success #stdin #stdout 0s 5320KB
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stdin
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3
stdout
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入力された整数:3
素数
https://ideone.com/Al1CGZ
language:
C (gcc 8.3)
created:
6 hours ago
visibility:
public

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