Question

What is the lcm of $5$ and $6$?

Answer 1

Determine the LCM of $5$ and $6$.

multiples of $5$ and $6$:

$$\begin{gathered} \mathrm{Multiple}\mathrm{of}5:5,10,15,20,25,30,35,40,45,50,55,60... \\ \mathrm{Multiple}\mathrm{of}6:6,12,18,24,30,36,42,48,54,60... \end{gathered}$$

Multiple which is common for both are$30,60....$

It is clear that Lowest common multiple is $30$

Hence, the required least common multiple is $30$.