#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10;
int n, m;
int a[N];
int l;

bool check(int x) {
	int ans = 0;
	for (int i = 1; i <= n; i++)
		ans += a[i] / x;
	return ans >= m;
}

int main() {
	cin >> n >> m;
	for (int i = 1; i <= n; i++)
		cin >> a[i];
	int l = 1, r  = 1e9, ans = 0;
	while (l <= r) {
		int mid = (l + r) / 2;
		if (check(mid))
			ans = mid, l = mid + 1;
		else
			r = mid - 1;
	}
	cout << ans;
	return 0;
}