#include<bits/stdc++.h>
#include<atcoder/all>
#define chmin(x,y) (x) = min((x),(y))
#define chmax(x,y) (x) = max((x),(y))
#define ld long double
using namespace std;
using namespace atcoder;
using ll = long long;
const ll mod = 998244353;
using mint = modint998244353;
//using Graph = vector<vector<pair<int,int>>>;
using Graph = vector<vector<int>>;
const vector<int> dx = {1,0,-1,0}, dy = {0,1,0,-1};

ll sqrtll(ll x) {
  assert(x >= 0);
  ll hi(x), lo(0);
  while (hi != lo) {
    ll y = (hi + lo + 1) / 2;
    if (y <= x/y) lo = y;
    else hi = y - 1;
  }
  return lo;
}


int main(){
  // input 
  int N; ll K;
  cin >> N >> K;
  vector<ll> A(N);
  for(int i = 0; i < N; i++) cin >> A[i];
  
  // solve
  ll L = 1;
  for(int i = 0; i < N; i++){
    ll g = __gcd(A[i],K);
    ll div = g / __gcd(g,L);
    K /= div;
    L *= div;
  }
  
  // output
  cout << (K == 1 ? "Yes":"No") << endl;
}