# LCM Part 1

Taught by YourMathGal
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Part of video series
Meets NCTM Standards:
Lesson Description:

Least Common Multiple-what it means, ways to find the LCM of a list of numbers. See part 2 and 3 for more methods.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

• What is LCM?
• What is the least common multiple of a list of numbers?
• What is the definition of a least common multiple?
• What is the LCM of 8 and 12?
• How do you find the LCM of 8 and 12?
• How do you find the least common multiple of 4, 6, and 10?
• How can you use prime factorization to find the least common multiple of 4, 6, and 10?
• How can you use a factor tree to find the LCM of 12 and 20?
• How can you use prime factorization to find the LCM of 12, 45 and 35?
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This lesson explains the definition of a least common multiple of a list of numbers and how to find the LCM of a list of numbers. One method of finding the LCM (prime factorization) is explained in this video, and other methods are shown in the next two videos.