#include<iostream>
using namespace std;
int main()
{
    int n;
    cin>>n;
    while(n--)
    {
        int x,book=0;
        cin>>x;
        for(int i=2;i*i<=x;i++)
        {
            if(x%i==0)
            {
                book=1;
                break;
            }
        }
        if(book==0)
        cout<<x<<" is prime"<<endl;
        else cout<<x<<" is not prime"<<endl;
    }
}