#![allow(non_snake_case, unused_imports, unused_must_use)]
use std::io::{self, prelude::*};
use std::str;

fn main() {
    let (stdin, stdout) = (io::stdin(), io::stdout());
    let mut scan = Scanner::new(stdin.lock());
    let mut out = io::BufWriter::new(stdout.lock());

    macro_rules! input {
        ($T: ty) => {
            scan.token::<$T>()
        };
        ($T: ty, $N: expr) => {
            (0..$N).map(|_| scan.token::<$T>()).collect::<Vec<_>>()
        };
    }

    let N = input!(usize);
    let K = input!(usize);
    let A = input!(usize, N);

    let pf = prime_factorize(K);

    for (p, e) in pf {
        let q = p.pow(e as u32);
        let mut isok_p = false;

        for &a in A.iter() {
            if a % q == 0 {
                isok_p = true;
            }
        }

        if !isok_p {
            writeln!(out, "No");
            return;
        }
    }

    writeln!(out, "Yes");
}

pub fn prime_factorize(mut n: usize) -> Vec<(usize, usize)> {
    let mut ret = vec![];

    for p in 2..n.clone() {
        if p * p > n {
            break;
        }

        if n % p != 0 {
            continue;
        }

        let mut e = 0;
        while n % p == 0 {
            e += 1;
            n /= p;
        }

        ret.push((p, e));
    }

    if n != 1 {
        ret.push((n, 1));
    }

    return ret;
}

struct Scanner<R> {
    reader: R,
    buf_str: Vec<u8>,
    buf_iter: str::SplitWhitespace<'static>,
}
impl<R: BufRead> Scanner<R> {
    fn new(reader: R) -> Self {
        Self {
            reader,
            buf_str: vec![],
            buf_iter: "".split_whitespace(),
        }
    }
    fn token<T: str::FromStr>(&mut self) -> T {
        loop {
            if let Some(token) = self.buf_iter.next() {
                return token.parse().ok().expect("Failed parse");
            }
            self.buf_str.clear();
            self.reader
                .read_until(b'\n', &mut self.buf_str)
                .expect("Failed read");
            self.buf_iter = unsafe {
                let slice = str::from_utf8_unchecked(&self.buf_str);
                std::mem::transmute(slice.split_whitespace())
            }
        }
    }
}