Finding the Least Common Multiple
Grade 6•45 minutes
Learning Objective
I can identify the least common multiple of two numbers through both listing multiples and using the LCM formula.
Practice Questions
This lesson includes 4 practice questions to reinforce learning.
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1. What is the least common multiple of 15 and 20? Show your work by listing the multiples of each number.
2. Explain how to find the least common multiple of 24 and 36 using prime factorization. What is the LCM?
3. If the least common multiple of two numbers is 60, and one of the numbers is 15, what could the other number be? Provide at least two possible answers and explain your reasoning.
...and 1 more questions
Educational Video
Least common multiple exercise | Factors and multiples | Pre-Algebra | Khan Academy
Khan Academy