Question

180 is the lcm of 12 and a number n . What are the possible values of n?

Answer 1

`12|\fbox2\\.\ 6|\fbox2\\.\ 3|\fbox3\\.\ 1|\\----------\\180|\fbox2\\.\ 90|\fbox2\\.\ 45|\fbox3\\.\ 15|3\\.\ \ 5|5\\.\ \ 1|\\\\Answer:\\5*3*3=45\\5*3*3*2=90\\5*3*3*2*2=180`