#include <bits/stdc++.h>
using namespace std;
int main() {
  long long n, m;
  cin >> n >> m;
  long long maxn = 1;
  if (n == 1) {
    cout << m << endl;
    return 0;
  }
  double ff = m, fff = n;
  double f = pow(ff, 1.0 / fff);
  for (long long i = f; i >= 2; i--) {
    long long sum = 1;
    for (long long j = 0; j < n; j++) sum *= i;
    if (m % sum == 0) {
      maxn = i;
      break;
    }
  }
  cout << maxn << endl;
}
