// Slower C++ solution:
#include <bits/stdc++.h>

#define rep(i,a,b) for(int i=a;i<(b);++i)

#define erep(i,a,b) for(int i=a;i<=(int)(b);++i)

#define per(i,a,b) for(int i=(a);i>(b);--i)

#define eper(i,a,b) for(int i=(a);i>=b;--i)

#define fore(x, a) for(auto &x : a)

#define pb push_back

#define mp make_pair

#define INF 100100100100

#define inf 2001001001

#define MOD 1000000007

#define ALL(x) begin(x),end(x)

using namespace std;

using ll = long long;

using pii = pair<int,int>;

using vii = vector<int>;

using vll = vector<ll>;

template<class T>using vv = vector<T>;

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }

template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }

template<class T>void show(const vector<T> &a) { for (int i = 0; i < (int)a.size(); ++i) cout << a[i] << (i != (int)a.size()-1 ? " " : "\n"); }

template<class T>T gcd(T a, T b){ return b ? gcd(b, a % b) : a; }

template<class T>T lcm(T a, T b){ return a / gcd(a, b) * b; }

int dy[]={0, 1, -1, 0};

int dx[]={1, 0, 0, -1};

ll n, m;

int main() {

  cin.tie(0);

  ios::sync_with_stdio(false);

    cin >> n >> m;

    ll ans = 0;

    vll div;

    for (ll i = 1; i * i <= m; ++i) {

      if (m % i == 0) {

        div.pb(i); div.pb(m / i);

      }

    }

    sort(ALL(div));

    rep(i, 0, div.size()) {

      if (div[i] >= n) {

        ans = m / div[i];

        break;

      }

    }

    cout << ans << endl;

    return 0;

}




// Faster C++ solution for the same problem (measured speedup: 0.978499396968592x):
// だーれだ？

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//

#include <bits/stdc++.h>

#define int long long

#define ll long long 

#define rep(i,a,b) for(int i=a;i<(b);++i)

#define erep(i,a,b) for(int i=a;i<=(b);++i)

#define per(i,a,b) for(int i=(a);i>(b);--i)

#define eper(i,a,b) for(int i=(a);i>=b;--i)

#define fore(i, x, a) for(auto &&x:a) 

#define ITR(i,b,e) for(auto i=(b);i!=(e);++i)

#define IN(i,a,b) (a)<=(i) && (i)<(b)

#define pb push_back

#define mp make_pair

#define ALL(x) begin(x),end(x)

#define F first

#define S second

#define debug(x)  cout << #x << ": " << (x) << '\n';

const long long INF=1001001001001001001;

const int MOD=(int)1e9 + 7;

const double EPS=1e-9;

using namespace std;

using Pii = pair<int,int>;

using vii = vector<int>;

template<class T>using  PS_queue = priority_queue<T, vector<T>, greater<T> >;

template<class T>using vv = vector<T>;

template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }

template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }

template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){fill( (T*)array, (T*)(array+N), val );}

template<class T> ostream& operator<<(ostream &os,const vector<T> &v) {

    ITR(i,begin(v),end(v))os<<*i<<(i==end(v)-1?"":" ");return os;}

template<class T> istream& operator>>(istream &is,vector<T> &v) {

    ITR(i,begin(v),end(v)) is>>*i;return is;}

template<class T,class U> istream& operator>>(istream &is, pair<T,U> &p) {

    is>>p.first>>p.second;return is;}

template<class T>T gcd(T a, T b){ return b ? gcd(b, a % b) : a; }

template<class T>T lcm(T a, T b){ return a / gcd(a, b) * b; }

struct edge { int from, to, cost; };

int dy[]={0, 1, -1, 0}; int dx[]={1, 0, 0, -1};

// cout << fixed;

// cout << setprecision(10) << val;



int n, m;

signed main() {

 cin.tie(0);

 ios::sync_with_stdio(false);

  cin >> n >> m;

  int ans = m / n;

  eper(i, ans, 1) {

    if (m % i == 0) {

      cout << i << endl;

      return 0;

    }

  }

  cout << 1 << endl;

  return 0;

}