#include <bits/stdc++.h>
typedef long long ll;
#define FOR(i,l,r) for (int i=l;i<=r;i++)
#define FOD(i,r,l) for (int i=r;i>=l;i--)
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
const int N = 1e6+5;
bool Pr[N+1];
void sang() {
for(int i = 0; i <= N;++i) {
Pr[i] = true;
}
Pr[0] = false;
Pr[1] = false;
for(int i = 2; i * i <= N; ++i) {
if(Pr[i] == true) {
for(int j = i * i; j <= N; j += i)
Pr[j] = false;
}
}
}
int main()
{
freopen("cloprime.inp","r",stdin);
freopen("cloprime.out","w",stdout);
fast;
int n; cin>>n;
sang();
for(int i=1;i<=n;i++)
{
int x; cin>>x;
while(!Pr[x])
x--;
cout<<x<<endl;
}
}
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