#include <iostream>
using namespace std;
int main()
{
int n,a;
cin>>n;
for(int i=0;i<n;i++)
{
int ans=1;
cin>>a;
for(int j=2;j<=a/j;j++)
{
if(a%j==0) ans=0;
}
if(ans) cout<<a<<" is prime"<<endl;
else cout<<a<<" is not prime"<<endl;
}
}