Question

What's the LMC of -1 and 3

Answer 1

The prime factor(s) of 3 are:

1 x 3

The prime factor(s) of -1 are:

-1 × -1

Merging them together using the least amount of factors, you get:

-1 x 3

Then you can multiply those numbers together to get the Least Common Multiple (LCM) of 3 and -1 as follows:

-3