from math import gcd
N,K=list(map(int,input().split()))
A=list(map(int,input().split()))

g=0
for a in A:g=gcd(g,a)
for i in range(N):A[i]//=g
for a in A:
    if K%a==0:K//=a
if K==1:print("Yes")
else:print("No")