#include <iostream>
using namespace std;

int a[10005];

int main()
{
    int t;
    cin >> t;
    while (t--)
    {
        int n;
        cin >> n;
        int maxn = -1;
        for (int i = 0; i < n; i++)
        {
            cin >> a[i];
            maxn = max(a[i], maxn);
        }
        bool flat = true;
        for (int i = 0; i < n; i++)
            if (maxn % a[i] != 0)
            {
                flat = false;
                break;
            }
        if (flat) cout << "Yes" << endl;
        else cout << "No" << endl;
    }
    return 0;
}