from math import *
N,K = map(int,input().split())
A = list(map(int,input().split()))
for i in range(N):
    A[i] = gcd(A[i],K)
tmp = 1
for a in A:
    tmp = lcm(tmp,a)
if tmp % K == 0:
    print("Yes")
else:
    print("No")