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

int N;
ll K, A[202020];
template<typename T>
T gcd(T a, T b){
    if(b == 0)return a;
    return gcd(b, a % b);
}
template<typename T>
T lcm(T a, T b){
    return a * b / gcd(a, b);
}
int main(void){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    cin >> N >> K;
    __int128_t g = 1;
    for(int i = 0;i < N;i++){
        ll a; cin >> a;
        __int128_t k = gcd(K, a);
        g = lcm(g, k);
        g = gcd((__int128_t)K, g);
    }
    cout << (g == K ? "Yes\n" : "No\n");
    return 0;
}