#include<bits/stdc++.h>
using namespace std;
const int maxn=1e5+10;
int t;
int main()
{
	cin>>t;
	while(t--){
		int n,a[maxn],bs;
		cin>>n;
		for(int i=1;i<=n;i++){
			cin>>a[i];
		}
		for(int i=1;i<=n;i++){
			if(a[n]%a[i]) bs++;
		}
		if(bs==n) cout<<"Yes";
		else cout<<"No";
		cout<<endl;
	}
	return 0;


}