#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
int t;
cin >> t;
while (t--)
{
int n;
cin >> n;
int a[100005] = {};
for (int i = 1; i <= n; i++)
scanf("%d", a + i);
sort(a + 1, a + 1 + n);
bool f = true;
for (int i = n; i >= 1; i--)
{
if (a[n] % a[i])
{
f = false;
break;
}
}
if (f)
cout << "Yes\n";
else
cout << "No\n";
}
return 0;
}