#include <bits/stdc++.h>
using namespace std;
int main(){
  int N;
  long long K;
  cin >> N >> K;
  vector<long long> A(N);
  for (int i = 0; i < N; i++){
    cin >> A[i];
  }
  long long a = 1;
  for (int i = 0; i < N; i++){
    a = lcm(a, gcd(K, A[i]));
  }
  if (a == K){
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }
}