#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef	long long ll;
typedef long double ld;
typedef vector<bool> vb;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef set<int> si;
typedef map<int,int> mii;
typedef map<ll,ll> mll;
typedef vector<pii> vii;
typedef vector<pll> vll;
#define fi first
#define se second
#define pi 3.141592653589793
#define mod 1000000007
#define pb push_back
#define mp make_pair
#define all(v) v.begin(),v.end()
#define pqmax priority_queue<int>
#define pqmin priority_queue<int,vi,greater<int>>
#define fio ios_base::sync_with_stdio(0), cin.tie(NULL)
#define tc int tt;cin>>tt;for(int ti=1;ti<=tt;ti++)
#define case_g "Case #"<<ti<<": "
#define RED "\033[31m"
#define GREEN "\033[32m"
#define RESET "\033[0m"
#define sleep for (int i = 1, a;i < 100000000;i++, a = a * a)
typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> ranked_pairset;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ranked_set;
typedef tree<int, int, less<int>, rb_tree_tag, tree_order_statistics_node_update> ranked_map;

int main() {
	fio;
	vi c(1001);
	tc {
		int a;
		cin >> a;
		for (int i = 1;i * i <= a;i++)
			if (a % i == 0) {
				c[i]++;
				if (i != a/i)
					c[a/i]++;
			}
	}
	int ans = 2;
	for (int i = 3;i < 1001;i++)
		if (c[i] > c[ans])
			ans = i;
	cout << ans << '\n';
}

#include <bits/stdc++.h>
using namespace std;
#define _GLIBCXX_DEBUG
#define rep(i, n) for (int64_t i = 0; i < (int64_t)(n); i++)
using vi = vector<int64_t>;
using vvi = vector<vi>;
using ll = int64_t;
using P = pair<ll,ll>;
ll INF = 1000000007;
// ll INF = 9223372036854775807;
// ll INF = 998244353;

int main() {
    // fasten cin
    cin.tie(0);
    ios::sync_with_stdio(false);
    // implement
    ll n;
    cin >> n;
    vi a(n);
    rep(i,n) cin >> a.at(i);
    ll res = 0;
    ll gcd = 0;
    for(ll i=2; i<=1000; i++){
        ll tmp = 0;
        rep(j,n) if(a.at(j)%i==0) tmp++;
        if(gcd <= tmp){
            res = i;
            gcd = tmp;
        }
    }
    cout << res << endl;
}