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

int main() {
    long long N, K;
    cin >> N >> K;
    vector<long long> A(N);
    for(int i = 0; i < N; i++) {
        cin >> A[i];
    }

    vector<long long> G(N);
    long long L = 1;
    for(int i = 0; i < N; i++) {
        G[i] = gcd(A[i], K);
        L = lcm(L, G[i]);
    }

    if(L % K == 0) cout << "Yes" << endl;
    else cout << "No" << endl;



    return 0;
}