#include <bits/stdc++.h>
using namespace std;
#define all(v) (v).begin(),(v).end()
#define pb(a) push_back(a)
#define rep(i, n) for(int i=0;i<n;i++)
#define foa(e, v) for(auto&& e : v)
using ll = long long;
const ll MOD7 = 1000000007, MOD998 = 998244353, INF = (1LL << 60);
#define dout(a) cout<<fixed<<setprecision(10)<<a<<endl;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    ll n, k;
    cin >> n >> k;
    ll Lcm = 1;
    rep(i, n) {
        ll a;
        cin >> a;
        a = __gcd(a, k);
        ll g = __gcd(Lcm, a);
        __int128 A = a, G = g, l = Lcm;
        if(A * l / G > __int128(k)) {
            cout << "No" << endl;
            return 0;
        }
        Lcm = ll(A * l / G);
    }
    cout << (Lcm != k ? "No" : "Yes") << endl;
    return 0;
}