#define _USE_MATH_DEFINES
#include <iostream>
#include <string>
#include <algorithm>
#include <vector>
#include <queue>
#include <math.h>
#include <cmath>
#include <stack>
#include <map>
#include <set>
#include <numeric>
#include <iomanip>
#include <climits>
#include <functional>
#include <cassert>
#include <tuple>
using namespace std;
using ll = long long;

int N;
ll K;

int main() {

    cin >> N >> K;
    vector<ll> g(N);
    for(int i = 0; i < N; ++i) {
        ll a; cin >> a;
        g[i] = gcd(a,K);
    }

    ll ans = 1;
    for(int i = 0; i < N; ++i) ans = ans/gcd(ans,g[i])*g[i];
    
    cout << (ans == K ? "Yes" : "No") << endl;

}