//Prime Number Checker in C++. Program to check whether Entered Number is Prime Number or not.

#include <iostream>

using namespace std;

int main()

{

cout <<"Enter a Number, I'll tell u, whether it's Prime or Not: ";

int x;

cin>>x;

bool n=0;

for (int i = 2; i<= (x-1); i++)

{

if ( x%i == 0 )

{

n = 1;

break;

}

}

cout << x << ((n==1)? " is not ": " is ") << "prime number"<<endl;

return 0;

}

#include <iostream>

using namespace std;

int main()

{

cout <<"Enter a Number, I'll tell u, whether it's Prime or Not: ";

int x;

cin>>x;

bool n=0;

for (int i = 2; i<= (x-1); i++)

{

if ( x%i == 0 )

{

n = 1;

break;

}

}

cout << x << ((n==1)? " is not ": " is ") << "prime number"<<endl;

return 0;

}