//
// Created by travel on 2024/10/9.
//
#include<bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> PII;
#define endl "\n"
#define ft first
#define sd second
#define pb push_back
const int mod = 1e9 + 7;
void solve(){
    int n; cin>>n;
    int last = 0;
    for(int i = 2;i <= n;i++){
        int cnt = 0;
        for(int j = 2;;j++){
            int x = i * j;
            if(x <= n) {
                cnt++;
                break;
            }
            else break;
        }
        if(cnt == 0){
            last = i;
            break;
        }
//        cout<<i<<endl;
    }
    int res = n - last + 2;
    cout<<res<<endl;
}
signed main() {
//    ios::sync_with_stdio(0);
//    cin.tie(0);
//    cout.tie(0);
    int T ;
    cin>>T;
    while(T--)
        solve();

    return 0;
}