#include<iostream>
#include<cstdio>
#include<string>
#include<cstring>
#include<cmath>
#include<algorithm>
#include <fstream>
#include <limits>
#include <vector>
#include <list>
#include <set>
#include <map>
#include <queue>
#include <stack>
#include <cassert>
using namespace std;
int main()
{
    int t,n;
    bool a[1010]={1,1,0,0,1};
    for(int i=2;i<1005;i++)
        for(int j=2;j<=i&&i*j<1005;j++)
            a[i*j]=1;
    scanf("%d",&t);
    while(t--)
    {
        scanf("%d",&n);
        for(int i=0;;i++)
        {
            if(n-i>0&&a[n-i]==0)
            {
                printf("%d\n",n-i);
                 break;
            }
            if(n+i<=1000&&a[n+i]==0)
            {
                 printf("%d\n",n+i);
                 break;
            }
        }
    }
return 0;
}

/**************************************************************
	Problem: 2108
	User: admin
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2076 kb
****************************************************************/