#include <bits/stdc++.h>
using namespace std;
#define rep(i, j) for(int i=0; i < (int)(j); i++)
#define repeat(i, j, k) for(int i = (j); i < (int)(k); i++)
// vector
template<class T> istream& operator >> (istream &is , vector<T> &v) { for(T &a : v) is >> a; return is; }

class Solver {
  public:
    bool solve() {
        int N, K; cin >> N >> K;
        
        int a, b;
        tie(a, b) = [] (int X) {
            repeat(i, 2, min<int>(X, sqrt(X) + 1)) if(X % i == 0) {
                return make_tuple(i, X / i);
            }
            return make_tuple(1, X);
        }(N);

        if(a == 1) cout << 1 << endl;
        else cout << b << endl;                               

        return 0;
    }
};

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    Solver s;
    s.solve();
    return 0;
}