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# include <bits/stdc++.h>
using namespace std ;
const int N = 10010 ;
int T ;
int a [ N ] ;
int n ;
/*
2
3
1 2 4
5
1 2 3 4 5
*/
bool check ( ) {
//遍历a[1]~a[n]中每个数字
// 当前枚举到的数字是a[i]
// 判断当前数字a[i]是不是其它数的倍数,不需要避开自己,因为自己肯定是自己的倍数
// 找完一圈后, 发现a[i]是其它数字的倍数, 返回true
// 找完一圈后, 发现a[i]不是其它数字的倍数, 则i++
//如果到了最后一个, 还没有找到是其它数倍数的数字, 那么返回false
for ( int i = 1 ; i < = n ; i + + ) {
bool flag = false ; //默认a[i]是好用的
for ( int j = 1 ; j < = n ; j + + ) {
if ( a [ i ] % a [ j ] ) { //a[i]不是a[j]的倍数,么a[i]是个废物,后续的a[j]不用继续讨论了
flag = true ; //用来标记是中间被打断的, 也就是不合理的a[i]
break ;
}
}
//到达了这里
if ( ! flag )
return true ;
}
return false ;
}
int main ( ) {
cin > > T ;
while ( T - - ) {
cin > > n ;
for ( int i = 1 ; i < = n ; i + + )
cin > > a [ i ] ;
if ( check ( ) )
cout < < " YES " < < endl ;
else
cout < < " NO " < < endl ;
}
return 0 ;
}