#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1111;
const int INF = 0x7f7f7f7f;
int cases;
template <class T>
inline bool read(T& x) {
  int c, ng = 1;
  for (c = getchar(); c <= 32 && ~c; c = getchar())
    ;
  if (!(~c)) return 0;
  if (c == '-') ng = -1, c = getchar();
  for (x = 0; c > 32; x = x * 10 + c - '0', c = getchar())
    ;
  x *= ng;
  return 1;
}
template <typename T>
T gcd(T a, T b) {
  if (!a) return 1;
  if (!b) return a;
  if (a < 0) a = -a;
  for (T t; b; t = a % b, a = b, b = t)
    ;
  return a;
}
vector<long long> gao;
long long n, k, x;
int main() {
  long long r = 1;
  read(n), read(k);
  for (int i = 0; i < n; i++) {
    read(x);
    r = r * x / gcd(r, x) % k;
  }
  if (r == 0) {
    puts("Yes");
  } else {
    puts("No");
  }
}
