content: package v108;
  import java.io.BufferedReader;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.PrintWriter;
  import java.util.ArrayList;
  import java.util.StringTokenizer;
  
  public class LessPrime_UVa10852 {
  
  	static final int upperBound = 10000;
  	static ArrayList<Integer> primes;
  	
  	static void sieve(int N)
  	{
  		boolean[] isComposite = new boolean[N + 1];
  		primes = new ArrayList<Integer>(N / 10);
  		for(int i = 2; i <= N; ++i)
  			if(!isComposite[i])
  			{
  				primes.add(i);
  				for(int j = i * i; j <= N; j += i)
  					isComposite[j] = true;
  			}
  	}
  	
  	public static void main(String[] args) throws IOException 
  	{
  		Scanner sc = new Scanner(System.in); 
  		PrintWriter out = new PrintWriter(System.out);
  		sieve(upperBound);
  		int tc = sc.nextInt();
  		while(tc-->0)
  		{
  			int N = sc.nextInt();
  			int ans = 2;
  			for(int p: primes)
  				if(p > N)
  					break;
  				else if(N % p > N % ans)
  					ans = p;
  			out.println(ans);
  		}
  		out.flush();
  		out.close();
  	}
  
  	
  	static class Scanner 
  	{
  		StringTokenizer st;
  		BufferedReader br;
  
  		public Scanner(InputStream s){	br = new BufferedReader(new InputStreamReader(s));}
  
  		public String next() throws IOException 
  		{
  			while (st == null || !st.hasMoreTokens()) 
  				st = new StringTokenizer(br.readLine());
  			return st.nextToken();
  		}
  
  		public int nextInt() throws IOException {return Integer.parseInt(next());}
  
  		public long nextLong() throws IOException {return Long.parseLong(next());}
  
  		public String nextLine() throws IOException {return br.readLine();}
  
  		public double nextDouble() throws IOException
  		{
  			String x = next();
  			StringBuilder sb = new StringBuilder("0");
  			double res = 0, f = 1;
  			boolean dec = false, neg = false;
  			int start = 0;
  			if(x.charAt(0) == '-')
  			{
  				neg = true;
  				start++;
  			}
  			for(int i = start; i < x.length(); i++)
  				if(x.charAt(i) == '.')
  				{
  					res = Long.parseLong(sb.toString());
  					sb = new StringBuilder("0");
  					dec = true;
  				}
  				else
  				{
  					sb.append(x.charAt(i));
  					if(dec)
  						f *= 10;
  				}
  			res += Long.parseLong(sb.toString()) / f;
  			return res * (neg?-1:1);
  		}
  
  		public boolean ready() throws IOException {return br.ready();}
  
  		public boolean nextEmpty() throws IOException
  		{
  			String s = br.readLine();
  			st = new StringTokenizer(s);
  			return s.isEmpty();
  		}
  
  
  	}
  }