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  1. #include <stdio.h>
  2.  
  3. int main() {
  4. 	int a,i,j,c;
  5. 	printf("Enter a number ");
  6. 	scanf("%d",&a);
  7. 	for(i=2;i<=a/2;i++)
  8. 	{
  9. 		if (a%i==0)
  10. 		{
  11. 			c=1;
  12. 			for(j=2;j<=i/2;j++)
  13. 			{
  14. 				if(i%j==0)
  15. 				{
  16. 					c=0;
  17. 					break;
  18. 				}
  19. 			}
  20. 			if(c==1)
  21. 			{
  22. 				printf("%d ",i);
  23. 			}
  24.  
  25. 		}
  26. 	}
  27. 	return 0;
  28.  
  29. }
  30.  
Success #stdin #stdout 0s 4508KB
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stdin
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stdout
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Enter a number 2 5
https://ideone.com/PQbFq9
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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