#include <bits/stdc++.h>
using namespace std;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    long long N,K; cin >> N >> K;
    long long lcm = 1;
    while(N--){
        long long a; cin >> a;
        long long g = gcd(K,a);
        lcm = lcm/gcd(g,lcm)*g; 
    }
    if(lcm == K) cout << "Yes" << endl;
    else cout << "No" << endl;
}