#include<bits/stdc++.h>
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define file freopen("CLOPRIME.inp","r",stdin);freopen("CLOPRIME.out","w",stdout);
#define FOR(x,a,b) for (int x=a;x<=b;x++)
#define FOD(x,a,b) for (int x=a;x>=b;x--)
#define pub push_back
#define pob pop_back
#define ii  pair<int,int>
#define pll pair<long long, long long>
#define F first
#define S second
#define fast {ios_base::sync_with_stdio(false);cin.tie(NULL);}
typedef unsigned long long int ull;
typedef long long ll;
const long N=1e5 + 5;
const int mod = 1e9 +7;
using namespace std;
int main()
{
 freopen("CLOPRIME.inp","r",stdin);
 freopen("CLOPRIME.out","w",stdout);
 ios_base::sync_with_stdio(false); 
 cin.tie(NULL); 
 cout.tie(NULL);
 bool ktra[500005];
 memset(ktra,true,sizeof(ktra));
 ktra[0]=ktra[1]=false;
 for(int i=2;i*i<=500005;i++)
 {
  if (ktra[i])
   {
   for (int j=i*i;j<=500005;j+=i)
    {
 ktra[j]=false;
    }
 }
 }
 int n,x;
 cin>>n;
 for (int i=1;i<=n;i++)
 {
  cin>>x;
  while (!ktra[x])
   x--;
  cout<<x<<endl;
 }
 return 0;
}