def gcd(a,b):
    if b==0:return a
    return gcd(b,a%b)
N,K = map(int,input().split())
A = list(map(int,input().split()))
a = 1
for i in range(N):
    d1 = gcd(a,A[i])
    b = A[i]//d1
    d = gcd(b,K)
    a = a*d
    K = K//d
    if K==1:break
if K==1:
    print("Yes")
else:
    print("No")