bufio_scanner = []


def main():
    n, h = [int(fmt_scan()) for _ in range(2)]
    a = [int(x) for x in input().split()]

    for i, v in enumerate(a):
        if h % v == 0:
            h //= v
        a[i] = 1

    ans = "NO"
    for v in a:
        if v % h == 0:
            ans = "YES"

    print(ans)


def fmt_scan() -> str:
    sc = bufio_scanner
    if len(sc) == 0:
        for v in reversed(input().split()):
            sc.append(v)
    return sc.pop()


main()