#include <iostream>
#include <cmath>
using namespace std;
int a[100001];
int main()
{
    int t,n;
    cin>>t;
    for (int i = 1; i <=t; i++)
    {
        cin>>n;
        for (int j = 0; j < n; j++)
        {
            cin>>a[j];
        }
        bool x=1;
        for (int k = 0; k < n; k++)
        {
            if (a[n-1]%a[k]!=0)
            {
                x=0;
            }
        }
        if (x==1)
        {
            cout<<"Yes"<<endl;
        }
        else
        {
            cout<<"No"<<endl;
        }
    }
}