package main

import . "fmt"
import . "os"
import bf  "bufio"
import . "math/big"

func main() {
	rd:=bf.NewReader(Stdin)
	var n int
	var k int64
	Fscan(rd,&n,&k)
	a := make([]int64, n)
	for i := range a {
		Fscan(rd,&a[i])
	}
	kgcd := NewInt(1)
	for _, x := range a {
		x /= new(Int).GCD(nil,nil,kgcd,NewInt(x)).Int64()
		kxgcd := new(Int).GCD(nil,nil,NewInt(k),NewInt(x))
		k /= kxgcd.Int64()
		if k == 1 {
			Println("Yes")
			return
		}
		kgcd.Mul(kgcd,kxgcd)
	}
	Println("No")
}