#include <bits/stdc++.h>
using namespace std;
bool known[1000005] = {0};
int c[1000005];
int gcd(int a, int b) {
  if (!b) return a;
  return gcd(b, a % b);
}
void calc(int n, int k) {
  for (int i = 0; i < n; ++i) {
    if (known[c[i]] or gcd(c[i], k) == 1) continue;
    known[c[i]] = true;
    int sq = sqrt(c[i]);
    for (int j = 2; j <= sq; ++j) {
      if (c[i] % j == 0) {
        known[j] = true;
        known[c[i] / j] = true;
      }
    }
    if (known[k]) return;
  }
}
bool check(int k) {
  if (known[k]) return true;
  int sq = sqrt(k), temp = k;
  for (int i = 2; i <= sq; ++i) {
    if (temp % i == 0) {
      int x = 1;
      while (temp % i == 0) {
        temp /= i;
        x *= i;
      }
      if (!known[x]) return false;
    }
  }
  return known[temp];
}
int main() {
  ios_base::sync_with_stdio(false);
  int n, k;
  cin >> n >> k;
  known[1] = true;
  for (int i = 0; i < n; ++i) {
    cin >> c[i];
    if (c[i] % k == 0) known[k] = true;
  }
  if (known[k]) {
    cout << "Yes";
    return 0;
  }
  calc(n, k);
  if (check(k))
    cout << "Yes";
  else
    cout << "No";
}
