#include <iostream>
#include <vector>
#include <algorithm>
#include <array>
#include <iterator>
#include <string>
#include <cctype>
#include <cstring>
#include <cstdlib>
#include <cassert>
#include <cmath>
#include <ctime>
#include <iomanip>
#include <numeric>
#include <stack>
#include <queue>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <bitset>
#include <random>
#include <utility>
#include <functional>
using namespace std;
template<class T = long long>
T gcd(T a,T b)
{
	while(b)
	{
		a %= b;
		swap(a,b);
	}
	return a;
}

template<class T = long long>
T lcm(T a,T b)
{
	return a / gcd<T>(a,b) * b;
}

void Main()
{
	int N;
	long long K;
	cin >> N >> K;
	long long L = 1;
	for(int i = 0;i < N;i++)
	{
		int a;
		cin >> a;
		a = gcd(a,K);
		L = lcm(L,a);
	}
	cout << (L == K ? "Yes\n" : "No\n");
}
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int tt = 1;
	/* cin >> tt; */
	while(tt--) Main();
}