Factoring and Multiples

What is the least common multiple of 18 and 30?

Answer

Wiki User
12/08/2017

LCM is 90, which is the multiple of the highest power of prime factors in the given numbers (2 x 3^2 x 5).

First, Prime factorization of 30 and 18:

30: 2 x 3 x 5

18: 2 x 3 x 3 = 2 x 3^2

Therefore, LCM = 2 x 3^2 x 5 = 90
The Least Common Multiple of 18 and 30 is 90.
It is 90
90

Wiki User
11/09/2016

LCM(18, 30) = 90.

Wiki User
08/25/2016

6