#include<bits/stdc++.h>
using namespace std;
int n,a[1005],t;
int main()
{
cin>>t;
while(t--)
{
cin>>n;
for(int i=1;i<=n;i++)
cin>>a[i];
sort(a+1,a+1+n);
bool ok=1;
for(int i=1;i<=n;i++)
if(a[n]%a[i]!=0)
{
ok=0;
break;
}
if(ok)
cout<<"Yes"<<endl;
else

cout<<"No"<<endl;

}

return 0;
}