import java.util.*;
import java.lang.*;
import java.io.*;

class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int t = sc.nextInt();

        int lastPrimeNumberCnt = 0;
        int lastTimeNumber = 1;
        for (int i=0; i<t; i++) {
            int ans = 0;
            int n = sc.nextInt();

            if(n >= lastTimeNumber){
                ans = lastPrimeNumberCnt;
            }
            
            for (int target=lastTimeNumber+1; target<=n; target++) {
               
                if (target < 2) {
                    continue;
                }
                if (target != 2 && target % 2 == 0) {
                    continue;
                }
    
                boolean boo = false;
                for (int j = 3; j <= Math.sqrt(target); j+=2) {
                    if (target % j == 0) {
                        boo = true;
                        break;
                    }
                }
                if(boo){
                    continue;
                }
                ans++;   
                
            }

            System.out.println(ans);
            
            lastTimeNumber = n;
            lastPrimeNumberCnt = ans;
            
        }
    }

}