#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000

int main(){
	
	int _t;
	cin>>_t;
	
	rep(_,_t){
		int n,m;
		cin>>n>>m;
		int mm = m;
		if(n>=m){
			cout<<0<<endl;
			continue;
		}
		
		vector<pair<int,int>> ps;
		for(int i=2;i*i<=m;i++){
			if(m%i==0){
				ps.emplace_back(i,0);
				while(m%i==0){
					m/=i;
					ps.back().second++;
				}
			}
		}
		if(m!=1)ps.emplace_back(m,1);
		m = mm;
		bool f = true;
		rep(i,ps.size()){
			int cur = 0;
			int tmp = 0;
			while(cur!=0){
				tmp += cur / ps[i].first;
				cur /= ps[i].first;
			}
			if(cur < ps[i].second)f = false;
		}
		if(f){
			cout<<0<<endl;
			continue;
		}
		long long ans;
		if(ps.size()==1&&ps.back().second==1){
			ans = m - 1;
			for(int i=m-1;i>=n+1;i--){
				ans *= inv_mod(i,m);
				ans %= m;
			}
		}
		else{
			ans = 1LL;
			for(int i=1;i<=n;i++){
				ans *= i;
				ans %= m;
			}
		}
		cout<<ans<<endl;
		
	}
	
	return 0;
}