from math import gcd, lcm
import sys


def printe(*args, end="\n", **kwargs):
    print(*args, end=end, file=sys.stderr, **kwargs)


def main():
    N, K = map(int, input().split())
    A = list(map(int, input().split()))
    if K == 1:
        print("Yes")
        return
    A_filter = []
    for a_elm in A:
        if (gcd_ := gcd(a_elm, K)) == 1:
            continue
        A_filter.append(gcd_)
    printe(A_filter)
    if lcm(*A_filter) == K:
        print("Yes")
    else:
        print("No")


if __name__ == "__main__":
    main()