#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  ll n, k;
  cin >> n >> k;
  vector<ll> a(n);
  rep(i, n) cin >> a[i];
  rep(i, n) a[i] = gcd(a[i], k);
  ll ans = 1;
  rep(i, n) ans = lcm(ans, a[i]);
  cout << (ans == k ? "Yes" : "No") << '\n';
  return 0;
}