Question

What is the LCM of 4 and 14?

Answer 1

28

Explanation:

Expessing the numbers as their prime factors

`4 = 2xx2`

`14=2xx7`

Since 2 occurs as twice in 4 and once in 14 it is taken twice in the LCM.

`LCM_(4, 14) = 2xx2xx7 = 28`