#include <bits/stdc++.h>
using namespace std;
const int Mxn = 2e5;
int tab[Mxn];
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int t;
  cin >> t;
  while (t--) {
    int n;
    cin >> n;
    cout << (n / 2) << " " << n - 1 << "\n";
  }
}
