def Map():
  return list(map(int,input().split()))

def gcd(a, b):
  while a != 0:
    b %= a
    if b == 0: return a
    a %= b
  return b

N,K = Map()
A = Map()
g = K
for a in A:
  g = gcd(g,a)

for i in range(N):
  A[i] //= g
K //= g

for a in A:
  g = gcd(K,a)
  K //= g

if K == 1:
  print('Yes')
else:
  print('No')