import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static void main(String[] args) { Scanner in = new Scanner(System.in); int g = in.nextInt(); for(int i = 0; i < g; i++){ int n = in.nextInt(); boolean prime[] = new boolean[n+1]; for(int j = 0;j