using System;
using System.Collections.Generic;
using System.Linq;

class G
{
	static void Main() => Console.WriteLine(Solve());
	static object Solve()
	{
		var t = int.Parse(Console.ReadLine());
		var ns = Array.ConvertAll(new bool[t], _ => int.Parse(Console.ReadLine()));

		var ps = GetPrimes(ns.Max());
		return string.Join("\n", ns.Select(GetCount));

		int GetCount(int n)
		{
			return Last(-1, ps.Length - 1, x => ps[x] <= n) + 1;
		}
	}

	static int[] GetPrimes(int n)
	{
		var b = new bool[n + 1];
		for (int p = 2; p * p <= n; ++p) if (!b[p]) for (int x = p * p; x <= n; x += p) b[x] = true;
		var r = new List<int>();
		for (int x = 2; x <= n; ++x) if (!b[x]) r.Add(x);
		return r.ToArray();
	}

	static int Last(int l, int r, Func<int, bool> f)
	{
		int m;
		while (l < r) if (f(m = r - (r - l - 1) / 2)) l = m; else r = m - 1;
		return l;
	}
}