#include <bits/stdc++.h>

#include <atcoder/all>
#define rep(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++)
using namespace std;
using namespace atcoder;

typedef long long ll;

int main() {
    int n;
    ll k;
    cin >> n >> k;
    ll lc = 1;
    rep(i, 0, n) {
        ll x;
        cin >> x;
        x = gcd(x, k);
        lc = gcd(lc, k);
        lc = lcm(lc, x);
        lc = gcd(lc, k);
    }
    if (k == lc)
        cout << "Yes" << endl;
    else
        cout << "No" << endl;
}