#include<iostream>
using namespace std;
int n,m,ans,a[1000010];
bool check(int x){
	int cnt=0;
	for(int i=1;i<=n;i++){
		cnt+=a[i]/x;
	} 
	return cnt>=m;
}
int main(){
	cin>>n>>m;
	int mx=0;
	for(int i=1;i<=n;i++){
		cin>>a[i];//这里原来是scanf
		mx=max(mx,a[i]);
	}
	int l=1,r=mx,mid;
	while (l<=r){
		mid=(l+r)/2;
		if(check(mid)){
			ans=mid;
			l=mid+1; 
		}
		else r=mid-1;
	} 
	cout<<ans;
	return 0;
}