#include <bits/stdc++.h>

using namespace std;
using ll = long long;

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

    //LCMがKの倍数か？
    //LCM(gcd(K, A_i)) == Kか？
    ll N, K, A, L=1;
    cin >> N >> K;
    for (int i=0; i<N; i++){
        cin >> A;
        L = lcm(L, gcd(A, K));
    }

    cout << (L==K ? "Yes" : "No") << endl;

    return 0;
}