#include <bits/stdc++.h>
using namespace std;
template <typename T>
void get_int(T &x) {
  char t = getchar();
  bool neg = false;
  x = 0;
  for (; (t > '9' || t < '0') && t != '-'; t = getchar())
    ;
  if (t == '-') neg = true, t = getchar();
  for (; t <= '9' && t >= '0'; t = getchar()) x = x * 10 + t - '0';
  if (neg) x = -x;
}
template <typename T>
void print_int(T x) {
  if (x < 0) putchar('-'), x = -x;
  short a[20] = {}, sz = 0;
  while (x > 0) a[sz++] = x % 10, x /= 10;
  if (sz == 0) putchar('0');
  for (int i = sz - 1; i >= 0; i--) putchar('0' + a[i]);
}
const int inf = 0x3f3f3f3f;
const long long Linf = 1ll << 61;
const double pi = acos(-1.0);
int n, k, dv[1000111], cnt, mx[1000111];
map<int, int> c;
int main() {
  for (int i = 2; i < 1000111; i++)
    for (int j = i; j < 1000111; j += i)
      if (dv[j] == 0) dv[j] = i;
  get_int(n), get_int(k);
  for (int i = 1, x; i <= n; i++) {
    get_int(x);
    c.clear();
    while (x != 1) {
      c[dv[x]]++;
      x /= dv[x];
    }
    for (map<int, int>::iterator it = c.begin(); it != c.end(); it++)
      mx[it->first] = max(mx[it->first], it->second);
  }
  c.clear();
  while (k != 1) {
    c[dv[k]]++;
    k /= dv[k];
  }
  for (map<int, int>::iterator it = c.begin(); it != c.end(); it++)
    if (mx[it->first] < (it->second)) {
      puts("No");
      return 0;
    }
  puts("Yes");
  return 0;
}
