t672

import java.util.Scanner;

public class t672 {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);

        int n, k;
        n = in.nextInt();
        k = in.nextInt();
        int[] a = new int[n];
        for (int i = 0; i < n; i++)
            a[i] = in.nextInt();

        int l = 0, r = 10000001;

        while (r - l > 1) {
            int m = (l + r) / 2;
            if (m == 0){
                System.out.println(0);
                return;
            }
            int now = 0;
            for (int i = 0; i < n; i++)
                now += a[i] / m;
            if (now >= k)
                l = m;
            else
                r = m;
        }
        System.out.println(l);
        in.close();
    }
}