#include <cstdio>
using namespace std;

const int ans[] = {-1, -1, 2, 2, 4, 2, 4, 4, 8, 2, 4, 6, 8, 2, 8, 6, 16, 2, 4, 6, 8, 4, 12, 6, 16, 4, 4, 4, 16, 2, 12, 10, 32, 4, 4, 8, 8, 2, 12, 6, 16, 2, 8, 6, 24, 6, 12, 8, 32, 6, 8, 6, 8, 2, 8, 10, 32, 4, 4, 6, 24, 2, 20, 6, 64, 6, 8, 8, 8, 4, 16, 6, 16, 2, 4, 8, 24, 14, 12, 6, 32};

int main()
{
    int T, n;
    scanf("%d", &T);
    while (T--)
    {
        scanf("%d", &n);
        printf("%d\n", ans[n]);
    }
    return 0;
}