This page provides a list of educational videos related to LCM. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to LCM.

Finding LCM by Listing Factors

By Vanessa Graulich

Learn to find LCM of numbers by listing their factors.

GCF and LCM word problems

By Khan Academy

Here we have a couple of word problems--one searching for the least common multiple and the other for the greatest common factor. Just read them with us slowly and follow along. You'll get it.

Least Common Multiple LCM

By tecmath

Least common multiple

By Khan Academy

Sal finds the lcm (least common multiple) of 25 and 30.

Least Common Multiple Trick LCM

By tecmath

LCM | Least Common Multiple | MathHelp.com

By MathHelp.com

Least common multiple

By Khan Academy

This least common multiple example gives us 3 numbers from which to find the lcm. This is a challenge, but fun. Do it with us!

Finding the least (lowest) common multiple (LCM) using the upside down birthday cake method

By Nancy Foote

You can find the least common multiple (lowest common multiple) simply and quickly by using the upside down birthday cake method that this video shows.

Solve equations with two rational expressions

By Khan Academy

Sal solves the equation 5/(2x)-4/(3x)=7/18 by first finding the LCM (least common multiple) of 2x and 3x.

Learn Greatest Common Factor (GCF) & Least Common Multiple (LCM) - [7]

By Math and Science

Quality Math And Science Videos that feature step-by-step example problems!

Least common multiple

By Khan Academy

Sal finds the lcm (least common multiple) of 12 and 36, and of 12 and 18. He shows how to do that using the prime factorization method, which is a just great!