import java.io.*;
import java.util.*;

public class Main {
    static ArrayList<HashMap<Long, Integer>> dp = new ArrayList<>();
    static int[] values;
    static int k;
    static final int MOD = 1000000007;
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        int k = sc.nextInt();
        values = new int[n];
        for (int i = 0; i < n; i++) {
            dp.add(new HashMap<>());
            values[i] = (int)getGCD(sc.nextLong(), k);
        }
        System.out.println((pow(2, n) - dfw(n - 1, k) + MOD) % MOD);
    }
    
    static int dfw(int idx, long key) {
        if (key == 1) {
            return 0;
        }
        if (idx < 0) {
            return 1;
        }
        if (!dp.get(idx).containsKey(key)) {
            int ans = (dfw(idx - 1, key) + dfw(idx - 1, key / (int)getGCD(key, values[idx]))) % MOD;
            dp.get(idx).put(key, ans);
        }
        return dp.get(idx).get(key);
    }
    
    static long getGCD(long x, long y) {
        if (x % y == 0) {
            return y;
        } else {
            return getGCD(y, x % y);
        }
    }
    
    static long pow(long x, int p) {
        if (p == 0) {
            return 1;
        } else if (p % 2 == 0) {
            return pow(x * x % MOD, p / 2);
        } else {
            return pow(x, p - 1) * x % MOD;
        }
    }
}

class Scanner {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    StringTokenizer st = new StringTokenizer("");
    
    public Scanner() throws Exception {
        
    }
    
    public int nextInt() throws Exception {
        return Integer.parseInt(next());
    }
    
    public long nextLong() throws Exception {
        return Long.parseLong(next());
    }
    
    public double nextDouble() throws Exception {
        return Double.parseDouble(next());
    }
    
    public String next() throws Exception {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}