#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;

__int128 gcd(__int128 a, __int128 b) {
    if (b == 0) return a;
    return gcd(b, a % b);
}

__int128 lcm(__int128 a, __int128 b) { return a / gcd(a, b) * b; }

int main() {
    int n;
    ll ink;
    cin >> n >> ink;
    __int128 k = ink;
    __int128 lc = 1;
    rep(i, 0, n) {
        ll inx;
        cin >> inx;
        __int128 x = inx;
        lc = lcm(lc, x);
        lc = gcd(lc, k);
    }
    if (k == lc)
        cout << "Yes" << endl;
    else
        cout << "No" << endl;
}