How to find the Lowest Common Multiple (LCM)

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*** WHAT'S COVERED ***
1. Definition of the Least Common Multiple (LCM)
* Also known as the Lowest Common Multiple.
2. Finding the LCM by Listing Multiples
* How to list the multiples of each number.
* Identifying the smallest number appearing in all lists.
* Explanation of why simply multiplying the numbers doesn't always give the LCM.
3. Finding the LCM using Prime Factors

*** EXAM BOARD INFO ***
Suitable for courses across the world, including all KS3 and GCSE courses in the UK.

*** CHAPTERS ***
0:00 What is the Least Common Multiple (LCM)?
0:25 Method 1: Finding LCM by Listing Multiples (Example: 6 and 10)
1:28 Common Multiples vs Lowest Common Multiple
2:04 Method 1 Example: LCM of 5 and 8
2:46 Method 2: Finding LCM using Prime Factors - Introduction
3:00 Method 2 Example: LCM of 28 and 42
4:39 Method 2 Example: LCM of 132 and 420

*** PLAYLISTS ***










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