# import pypyjit
# pypyjit.set_param("max_unroll_recursion=-1")
from collections import *
from functools import *
from itertools import *
from heapq import *
import sys, math
# sys.setrecursionlimit(3*10**5)
input = sys.stdin.readline

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

g = 1
for a in A:
    g = g*a//math.gcd(g,a)
    g = math.gcd(g,K)
if g==K:
    print('Yes')
else:
    print('No')