#define _USE_MATH_DEFINES

#include <iostream>	//cin, cout
#include <vector>	//vector
#include <algorithm> //sort,min,max,count
#include <string>	//string,getline, to_string
#include <ios>		//fixed
#include <iomanip>	//setprecision
#include <utility> //swap, pair
#include <cstdlib>	//abs(int)
#include <cmath>	//sqrt,ceil,M_PI, pow, sin
#include <sstream>	//stringstream,getline
#include <numeric>	//gcd, accumlate
#include <deque>	//deque
#include <random>	//randam_device
#include <limits>	//numeric_limits

using namespace std;
constexpr long long int D_MOD = 1000000007;

inline int Greatest_Common_Divisor(int a, int b) {
	//aとbの最大公約数を返す
	while (a != 0 && b != 0) {
		if (a > b) {
			a = a - b;
		}
		else {
			b = b - a;
		}
	}
	return(a + b);
}

int main() {

	int N, H;
	cin >> N >> H;

	int temp = 0;
	int gcd = 0;

	for (int i = 0; i < N; i++) {
		cin >> temp;
		if (temp % H == 0) {
			cout << "YES" << endl;
			return 0;
		}
		else {
			gcd = Greatest_Common_Divisor(temp, H);
			H = H / gcd;
		}
		if (H == 1) {
			cout << "YES" << endl;
			return 0;
		}
	}
	cout << "NO" << endl;

	return 0;

}