1 #include <iostream>
 2 using namespace std;
 3 int main()
 4 {
 5     int i;
 6     int a[1000];
 7     int T;
 8     cin>>T;
 9     while(T--)
10     {
11         int n;
12         int max_number=0;
13         cin>>n;
14         for(i=0;i!=n;++i)
15         {
16             cin>>a[i];
17             max_number=a[i]>max_number? a[i]:max_number;
18         }
19         int temp=max_number;
20         while(1)
21         {
22             for(i=0;i!=n;++i)
23             {
24                 if(max_number%a[i]==0)
25                     continue;
26                 else
27                 {
28                     max_number+=temp;
29                     break;
30                 }
31             }
32             if(i==n)  break;
33         }
34         cout<<max_number<<endl;
35     }
36 
37     return 0;
38 }