"""

WA解

凄く雑に

"""

import sys
import math
import random

LIM = 5000

n, k = map(int, input().split())
a = list(map(int,input().split()))
random.shuffle(a)

if len(a) >= LIM:
    a = a[:LIM]

x = 1
for v in a:
    x = x * v // math.gcd(x, v)
    if x % k == 0:
        print ("Yes")
        sys.exit()

print("No")