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

using ll = long long;
using llu = long long unsigned;

int main() {
    ll N, K;
    cin >> N >> K;
    vector<ll> A(N);
    for (auto &x : A) { cin >> x; }

    ll target = 1;
    for (auto x : A) {
        ll tmp = gcd(K, x);
        target *= (tmp/(gcd(target, x)));
        if (K == target) { break; }
    }

    if (K == target) { cout << "Yes" << endl; }
    else { cout << "No" << endl; }
    return 0;
}