import java.io.*; import java.util.*; import java.util.function.*; import java.util.stream.*; public class Main { public static void main(String[] args) throws Exception { Scanner sc = new Scanner(); int n = sc.nextInt(); long ans = 1; long k = sc.nextLong(); while (n-- > 0) { ans = getLCM(ans, getGCD(k, sc.nextLong())); } System.out.println(k == ans ? "Yes" : "No"); } static long getLCM(long x, long y) { return x / getGCD(x, y) * y; } static long getGCD(long x, long y) { if (y == 0) { return x; } else { return getGCD(y, x % y); } } } class Scanner { BufferedReader br; StringTokenizer st = new StringTokenizer(""); StringBuilder sb = new StringBuilder(); public Scanner() { try { br = new BufferedReader(new InputStreamReader(System.in)); } catch (Exception e) { } } public int nextInt() { return Integer.parseInt(next()); } public long nextLong() { return Long.parseLong(next()); } public double nextDouble() { return Double.parseDouble(next()); } public String next() { try { while (!st.hasMoreTokens()) { st = new StringTokenizer(br.readLine()); } } catch (Exception e) { e.printStackTrace(); } finally { return st.nextToken(); } } }