from math import gcd
import sys
input = sys.stdin.readline

n, k = map(int, input().split())
A = list(map(int, input().split()))

for i in range(n):
    A[i] = gcd(A[i], k)
lcmA = 1
for i in range(n):
    lcmA = lcmA * A[i] // gcd(lcmA, A[i])
if lcmA % k == 0:
    print("Yes")
else:
    print("No")