### 11 videos in "Least Common Multiple and Greatest Common Factor"

## LCM Part 3

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

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Least Common Multiple-shows a cool and easy way to find the LCM of two numbers.

- How can you find the least common multiple of two numbers?
- What is an easy method for finding the LCM of 2 numbers?
- What is an easy way to find the LCM of 15 and 18?
- What is an upside down division method for finding the LCM of 2 numbers?
- How do you find the LCM of 24 and 30 using the upside down division method?
- How do you find the LCM of 35 and 63 using the upside down division method?
- How do you find the LCM of 18 and 42 using the upside down division method?
- How do you find the LCM of 9, 12, and 15 using the upside down division method?

This lesson shows an upside down division method of finding common factors of two numbers and dividing both numbers by this common factor, and using these numbers to find the LCM of the two numbers. This is a very cool and easy method to find the LCM of two numbers. Several problems are shown and every step is explained.