#include <bits/stdc++.h>

using namespace std;

long long t, n, a, b, c;

long long G(long long x, long long y) { return y ? G(y, x % y) : x; }

int main() {
  for (cin >> t; t--;) {
    cin >> n >> a >> b >> c;
    cout << n / c + n / a - n / (a * b / G(a, b)) - n / (c * a / G(a, c)) + n / (c * a / G(a, c) * b / G(c * a / G(a, c), b)) << '\n';
  }
  return 0;
}