def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])

    if temp!=1:
        arr.append([temp, 1])

    return arr

N, K = map(int, input().split())
A = list(map(int, input().split()))

L = factorization(K)
for k, v in L:
    n = k ** v
    flag = 0
    for i in range(N):
        if A[i] % n == 0:
            flag = 1
    if flag == 0:
        print("No")
        exit()

print("Yes")