自己看

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll t;
ll a[10010];
ll n;
int main(){
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	std::ios::sync_with_stdio(false);
	std::cin.tie(nullptr);
	std::cout.tie(nullptr);
	cin>>t;
	while(t--){
		cin>>n;
		for(ll i=1;i<=n;i++) cin>>a[i];
		ll ma=-1e18;
		for(ll i=1;i<=n;i++) if(a[i]>ma) ma=a[i];
		bool ok=1;
		for(ll i=1;i<=n;i++){
			if(ma%a[i]!=0){
				ok=0;
				break;
			}
		}
		if(ok) cout<<"Yes"<<endl;
		else cout<<"No"<<endl;
	}
	//fclose(stdin);
	//fclose(stdout);
	return 0;
}
//coder::by::M91