[cpp]
#include
#include
long long gcd(long long a,int b)
{
return b==0 a:gcd(b,a%b);
}
int main()
{
long long n,m,s,a,i;
while(scanf("%lld",&n)!=EOF)
{
while(n--)
{
scanf("%lld",&m);
for(i=0;i
{
scanf("%lld",&s);
if(i==0)
a=s;
else
a=a>s (a*s/gcd(a,s)):(a*s/gcd(s,a));
}
printf("%lld\n",a);
}
}
}