From 11:00PM PDT on Friday, July 1 until 5:00AM PDT on Saturday, July 2, the Shmoop engineering elves will be making tweaks and improvements to the site. That means Shmoop will be unavailable for use during that time. Thanks for your patience!
We have changed our privacy policy. In addition, we use cookies on our website for various purposes. By continuing on our website, you consent to our use of cookies. You can learn about our practices by reading our privacy policy.
© 2016 Shmoop University, Inc. All rights reserved.


Least Common Multiple (LCM)

of two or more numbers is the smallest number, other than zero, that is a multiple of each number.

Greatest Common Factor (GCF)

of two or more numbers is the largest number that is a factor of each number.

How to Calculate Them

There are a few different methods we can use to find both the LCM and the GCF. We will go over each. Pick the way that makes most sense to you—in the end you should get the same answer regardless of which one you choose.

People who Shmooped this also Shmooped...