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  1. //Prime numbers
  2. #include <iostream>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7. 	int num,flag=0;
  8. 	cout<<"Enter the desired number\n";
  9. 	cin>>num;
  10. 	for(int i=2;i<num;i++)
  11. 	{
  12. 		if(num%i==0)
  13. 		{
  14. 			flag=1;
  15. 		break;
  16. 		}
  17. 	}
  18. 	if(flag==1)
  19. 	cout<<"Number is not prime\n";
  20. 	else
  21. 	cout<<"Number is prime";
  22.  
  23.  
  24.  
  25. 	return 0;
  26. }
Success #stdin #stdout 0.01s 5404KB
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stdout
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Enter the desired number
Number is prime
https://ideone.com/R8qm9k
language:
C++ (gcc 8.3)
created:
2 years ago
visibility:
public

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