import math
N,K=map(int,input().split())
A=list(map(int,input().split()))
gcds=1
for i in range(N):
    gcds=(gcds*math.gcd(K,A[i]))//math.gcd(gcds,math.gcd(K,A[i]))
if K==gcds:
    print('Yes')
    exit(0)
print('No')