Question

What’s the least common multiple (LCM) for each group of numbers?

Answer 1

The LCM is the lowest number two numbers share as factors

Explanation:

10-1,2,5,10

20-1,2,4,5,10,20

the LCM besides 1 is 2.

Answer 2

A multiple is the result of multiplying a number by an integer. The least common multiple (LCM) of a group of numbers is the smallest number that is a multiple of all the numbers. To find the least common multiple you need to be able to identify the factors of the numbers you are working with.

Explanation:

what group of numbers are you talking about?