#include <iostream>
#include <vector>
#include <string>
#include <cstring>
#include <math.h>
#include <cmath>
#include <limits.h>
#include <map>
#include <set>
#include <queue>
#include <algorithm>
#include <functional>
#include <stdio.h>
using namespace std;

long long MOD = 1000000007;

int main() {
    int N,K;
    cin >> N >> K;
    int ans = 1;
    for ( int i = 2; i*i <= N; i++ ) {
        if ( N%i == 0 ) { ans = N/i; break; }
    }
    
    cout << ans << endl;

    return 0;
}