hdoj1019

 
#include<iostream>

using namespace std;
/*
int gcd( int a,int b)
{
    int r = 0;
    while(b!=0)
    {
               r = a%b;
               a = b;
               b = r;
               }
      return a;         
    }
    */
int gcd( int a,int b)
{
    if(b==0)
    {
            return a;
            }
      else 
      {      
    return gcd(b,a%b);
}
    }
int lcm( int a,int b)
{
    return a/gcd(a,b)*b;
    } 
    int a[100000];   
int main()
{
    int n,m;
    int x,temp;
    cin >> n;
    while( n--)
           {
                  int t = 1;
                  cin >> m;
                  for( int i = 0;i < m;i ++)
                  {
                       cin >> a[i];
                       }
                    temp = a[0];
                    for( int i =1;i < m;i ++)
                    {
                         temp = lcm( temp,a[i]);
                         } 
                     cout << temp << endl;      
                  }
                 
           
   system("pause");
}