from collections import defaultdict

def pf(num):
    
    dic = defaultdict(int)
    i = 2
    while num%i == 0:
        num //= i
        dic[i] += 1
    
    i = 3
    while i*i <= num:
        while num%i == 0:
            num //= i
            dic[i] += 1
        i += 2
    
    if num != 1:
        dic[num] += 1

    return dic

n,k = map(int, input().split())
alist = list(map(int, input().split()))

kdic = pf(k)

que = []
for key, val in kdic.items():
    que.append(pow(key, val))

for a in alist:
    nq = []
    while que:
        v = que.pop()
        if a % v == 0:
            a //= v
        else:
            nq.append(v)
    que = nq

if len(que) == 0:
    print("Yes")
else:
    print("No")