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

def lcm(a,b):return a*b//gcd(a,b)

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

l=1
for a in A:
    l=lcm(l,a)

if l%K==0:print("Yes")
else:print("No")