#include<iostream>
#include<vector>
using namespace std;


int n, m;

void read() {
    cin >> n >> m;
}


vector<int> getFactor(int M) {
    vector<int> factor;
    for (int i = 2; i * i <= M; ++i)
        if (M % i == 0) {
            while (M % i == 0) {
                M /= i;
            }
            factor.push_back(i);
        }
    if (M > 1)
        factor.push_back(M);
    return factor;
}


int modpow(int p, int nMul, int mod) {
    if (nMul == 0) return 1;
    int t = modpow(p, nMul / 2, mod);
    return nMul & 1 ? 1LL * t * t % mod * p % mod : 1LL * t * t % mod;
}


// mod: 素数
int inv(int num, int mod) {
    return modpow(num, mod - 2, mod);
}


void work() {
    if (n >= m) {
        cout << 0 << endl;
        return;
    }

    vector<int> factor = getFactor(m);
    
    if (factor.size() == 1) {
        int ans = m - 1;
        for (int i = m - 1; i > n; --i)
            ans = 1LL * ans * inv(i, m) % m;
        cout << ans << endl;
    }
    else if (n > factor.back()) {
        cout << 0 << endl;
    }
    else {
        int ans = 1;
        for (int i = 1; i <= n; ++i) {
            ans = 1LL * ans * i % m;
            if (ans == 0)
                break;
        }
        cout << ans << endl;
    }
}


int main() {
    int cases;
    cin >> cases;
    for (int i = 0; i < cases; ++i) {
        read();
        work();
    }
    return 0;
}