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

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

    int n;
    long long k;
    cin >> n >> k;

    long long cand = 1;
    
    for (int i = 0; i < n; i++){
        long long a;
        cin >> a;
        long long g = gcd(a,k);
        cand = lcm(g,cand);
    }
    cout << (k == cand ? "Yes" : "No") << endl;

    return 0;
}