#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001

__int128 gcd(__int128 a, __int128 b){
	if (b == 0) return a;
	return gcd(b, a % b);
}

int main(){
	
	ios::sync_with_stdio(false);
	std::cin.tie(nullptr);
	
	long long N,K;
	cin>>N>>K;
	long long cur = 1;
	rep(i,N){
		long long a;
		cin>>a;
		cur = lcm(gcd(a,K),cur);
	}
	if(cur == K){
		cout<<"Yes"<<endl;
	}
	else{
		cout<<"No"<<endl;
	}
	return 0;
}