from math import gcd
N, K = map(int, input().split())
A = list(map(int, input().split()))
for i in range(N):
    if A[i] // K == 0:
        exit(print("Yes"))

g = A[0]
for i in range(N): 
    g = gcd(g, A[i])

K //= gcd(g, K)
A = [A[i] // g for i in range(N)]

for i in range(N):
    K //= gcd(K, A[i])

print("Yes" if K == 1 else "No")