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  1. #include <iostream>
  2. using namespace std;
  3.  
  4.  
  5.  
  6. int main() {
  7. 	// your code goes here
  8.  
  9. 	int n;
  10. 	cin>>n;
  11.  
  12. 	int cnt = 0;
  13.  
  14. 	for(int i=1; i<=n; i++){
  15. 		if(n%i == 0 && cnt<=2){
  16. 			cnt++;
  17. 		}
  18. 	}
  19.  
  20. 	if(cnt > 2){
  21. 		cout<<"not a prime number"<<endl;
  22. 	}else{
  23. 		cout<<"prime number";
  24. 	}
  25.  
  26. 	return 0;
  27. }
Success #stdin #stdout 0s 5320KB
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prime number
https://ideone.com/6j7Z4Y
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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