import sys
input = sys.stdin.readline

from math import gcd

def lcm(x,y):
    return x*y//gcd(x,y)

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

LCM=1

for a in A:
    GCD=gcd(a,K)

    LCM=lcm(LCM,GCD)

if LCM%K==0:
    print("Yes")
else:
    print("No")