def factorization(n):
    arr = []
    temp = n
    i=2
    while i*i<=n:
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])
        i+=1
    if temp!=1:
        arr.append([temp, 1])
    return arr

from collections import defaultdict
N,K=map(int,input().split())
A=list(map(int,input().split()))
fk=factorization(K)
dic=defaultdict(int)
for i in range(N):
    for a,b in factorization(A[i]):
        dic[a]=max(dic[a],b)
for a,b in fk:
    if b>dic[a]:
        print('No')
        exit(0)
print('Yes')