What is is the LCM of '4' '12' and '30'?

Answer 1

First, factor each number and express this way:

4 = 22

12 = 22 x 3

30 = 2 x 3 x 5

Now, take the greatest power of each factor and find the product. 22 x 3 x 5 = 60 is the LCM.

Answer 2

The LCM is 60.