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Least common multiple

3 videos
1 skill
Life is good, but it can always get better. Just imagine being able to find the smallest number that is a multiple of two other numbers! Other than making your life more fulfilling, it will allow you to do incredible things like adding fractions.

Least common multiple exercise

VIDEO 4:16 minutes
We're practicing finding the least common multiple in these example exercises. We'll teach you the prime factorization approach which is a pretty nifty way to find the lcm (least common multiple).

Least common multiple exercise 2

VIDEO 2:35 minutes
Here's a lcm (least common multiple) example exercise that's a little but harder, but totally doable. Again, we'll use the prime factorization approach.

Least common multiple exercise: 3 numbers

VIDEO 5:24 minutes
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!

Least common multiple

PRACTICE PROBLEMS