#include<bits/stdc++.h>
using namespace std;
int main() {
   int t;
   cin >> t;
   while (t--) {
       int n;
       cin >> n;
       vector<int> a(n);
       int q_b = 0;
       for (int i = 0; i < n; ++i) {
           cin >> a[i];
           q_b = max(q_b, a[i]);
       }
       bool b_q = true;
       for (int i = 0; i < n; ++i) {
           if (q_b % a[i] != 0) {
               b_q = false;
               break;
           }
       }
       if (b_q) {
           cout << "Yes" << endl;
       } else {
           cout << "No" << endl;
       }
   }
   return 0;
}