#include <bits/stdc++.h>
using namespace std;
template <typename Arg1>
void __f(const char* name, Arg1&& arg1) {
  cerr << name << " : " << arg1 << std::endl;
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args) {
  const char* comma = strchr(names + 1, ',');
  cerr.write(names, comma - names) << " : " << arg1 << " | ";
  __f(comma + 1, args...);
}
const int N = 1e6 + 5;
int cnt[N];
vector<int> factors;
int main() {
  int n, k;
  scanf("%d%d", &n, &k);
  int temp = k;
  int p = 2;
  while (temp > 1) {
    int count = 0;
    while (temp % p == 0) {
      count++;
      temp /= p;
    }
    cnt[p] = count;
    p++;
  }
  for (int i = 0; i < N; i++)
    if (cnt[i] != 0) factors.push_back(i);
  for (int i = 0; i < n; i++) {
    int x;
    scanf("%d", &x);
    for (int j = 0; j < factors.size(); j++) {
      int count = 0;
      while (x % factors[j] == 0) {
        x /= factors[j];
        count++;
      }
      if (count >= cnt[factors[j]]) cnt[factors[j]] = 0;
    }
  }
  int leftover = 0;
  for (int i = 0; i < factors.size(); i++) leftover += cnt[factors[i]];
  if (leftover == 0)
    puts("Yes");
  else
    puts("No");
  return 0;
}
