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)
dic = defaultdict(int)

for a in alist:
    adic = pf(a)
    for key, val in adic.items():
        if key in kdic:
            if kdic[key] <= val:
                dic[key] = 1

for key in kdic.keys():
    if dic[key] == 0:
        print("No")
        exit()

print("Yes")