#include <bits/stdc++.h>

using namespace std;
void fast_io() {
    ios::sync_with_stdio(false);
    std::cin.tie(nullptr);
}

int main() {
    fast_io();
    int n;
    long long k;
    cin >> n >> k;
    vector<long long> a(n);
    long long l = 1;
    for (int i = 0; i < n; i++) {
        cin >> a[i];
        l = lcm(l, gcd(k, a[i]));
    }
    cout << (l == k ? "Yes" : "No") << endl;
}