#include <atcoder/all>
#include <bits/stdc++.h>
using ll = long long;
using ull = unsigned long long;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define REP(i, m, n) for(int i = (int)(m); i < (int)(n); i++)
using namespace std;
using namespace atcoder;
using mint = modint998244353;
const int inf = 1000000007;
const ll longinf = 1ll << 60;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    ll k;
    cin >> k;
    ll l = 1;
    rep(i, n) {
        ll x;
        cin >> x;
        l = lcm(l, gcd(x, k));
    }
    if(l == k) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }
    return 0;
}