#############################################################

import sys
sys.setrecursionlimit(10**7)

from heapq import heappop,heappush
from collections import deque,defaultdict,Counter
from bisect import bisect_left, bisect_right
from itertools import product,combinations,permutations
from math import gcd

ipt = sys.stdin.readline

def iin():
    return int(ipt())
def lmin():
    return list(map(int,ipt().split()))

MOD = 998244353
#############################################################

N,K = lmin()
A = lmin()
l = 1
for a in A:
    g = gcd(a,K)
    l = g*l//gcd(g,l)

if l == K:
    print("Yes")
else:
    print("No")