#include <iostream>
using namespace std;
int main()
{
    int n, x;
    cin >> n;
    for (int i = 0;  i < n; i ++)
    {
        cin >> x;
        bool is_prime = true;
        for (int j = 2; j * j <= x; j ++ )
        {
            if (x % j == 0 )
            {
                is_prime = false;
                break;
            }
        }
        if(is_prime) cout << x << " is prime" << endl;
        else cout << x << " is not prime" << endl;
    }
    return 0;
}