import math

def lcm(x,y):
  return x//math.gcd(x,y)*y
def main():
  N,K=map(int,input().split())
  A=list(map(int,input().split()))
  ans=A[0]
  for i in range(1,N):
    ans=lcm(ans,A[i])
    ans%=K
  if ans==0:
    print("Yes")
  else:
    print("No")
  return

main()