func_code_string: #include <bits/stdc++.h>   using namespace std;   const long long MAXN = 200005;   vector<long long> byk[MAXN];   long long pangkat(long long x, long long y) {     long long ret = 1;     for (long long i = 1; i <= y; i++) ret *= x;     return ret;   }   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     cout.tie(NULL);     long long n, a;     cin >> n;     for (long long no = 1; no <= n; no++) {       cin >> a;       for (long long i = 2; i * i <= a; i++) {         long long pa = 0;         while (a % i == 0) {           pa++;           a /= i;         }         if (pa) byk[i].push_back(pa);       }       if (a > 1) byk[a].push_back(1);     }     long long ans = 1;     for (long long i = 1; i <= 200000; i++) {       if (byk[i].size() > n - 2) {         sort(byk[i].begin(), byk[i].end());         if (byk[i].size() == n - 1)           ans *= pangkat(i, byk[i][0]);         else           ans *= pangkat(i, byk[i][1]);       }     }     cout << ans <<   n ;     return 0;   }   