#include<bits/stdc++.h>
using namespace std;
int main(){
	//freopen("kuohao.in","r",stdin);
	//freopen("kuohao.out","w",stdout);
	long long a[10005],n,t,b[10005],j=0;
	bool y=true;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>t;
		while(j<t){
			cin>>a[j];
			b[j]=a[j];
			j++;
		}
		sort(a,a+j+1);
		if(a[j]==b[j]){
			cout<<"No";
			y=false; 
			continue;
		}
		for(int x=1;x<=j;x++){
			if(a[j]%a[x]!=0){
				cout<<"No";
				y=false; 
				break;
			}
		}
		if(y==true){
			cout<<"Yes";
		}
		y=true;
	}
	return 0;
}