import collections
def prime_factorize(n):
    a = []
    while n % 2 == 0:
        a.append(2)
        n //= 2
    f = 3
    while f * f <= n:
        if n % f == 0:
            a.append(f)
            n //= f
        else:
            f += 2
    if n != 1:
        a.append(n)
    return a

N,K = map(int, input().split())
A = list(map(int, input().split())) 
C = collections.Counter(prime_factorize(K))
for k,v in C.items():
    for a in A:
        if a%(k**v)==0:
            break
    else:
        print('No')
        exit()
print('Yes')