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

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  ll N,K;
  cin>>N>>K;
  vector A(N,0ll);
  for(auto &i:A){
    cin>>i;
    i=gcd(i,K);
  }
  ll t=1;
  for(ll i:A){
    t=lcm(t,i);
  }
  cout<<(t==K?"Yes\n":"No\n");
}