#include<stdio.h>

int main(){
    int n;
    scanf("%d",&n);
    for(int i=0;i<n;i++){
        int x;
        int isprime=1;
        scanf("%d",&x);
        for(int j=2;j*j<=x;j++){
            if(x%j==0){
                isprime=0;
                printf("%d is not prime\n",x);
                break;
            }
        }
        if(isprime)printf("%d is prime\n",x);
    }
    return 0;
}