/* package codechef; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Codechef
{
public static void main (String[] args) throws java.lang.Exception
{
// your code goes here
Scanner sc=new Scanner(System.in);
int test_case=sc.nextInt();
while(test_case-- >0){
long cupcake=sc.nextLong();
if(cupcake>1)
System.out.println(maxCupcakes(cupcake));
else if(cupcake==1)
System.out.println(1);
else if(cupcake==0)
System.out.println(0);
}
}
private static long maxCupcakes(long cupcake){
long result=0;
long temp=0;
for(long i=2;i<=cupcake;i++){
if(isPrime(i)){
temp=cupcake%i;
}
result=Math.max(temp,result);
}
return cupcake-result;
}
private static boolean isPrime(long max_num){
boolean isPrime = true;
for (long num = 2; num <= max_num; num++)
{
for (long i=2; i <= num/2; i++)
{
if ( num % i == 0)
{
isPrime = false;
break;
}
}
}
return isPrime;
}
}
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