Least Common Multiple (LCM) Worksheet

Practice finding the least common multiple (LCM) of two or more numbers with this Grade 8 math worksheet.

Grade 8 Math Number SenseNumber TheoryLeast Common Multiple (LCM)

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Includes

Fill in the Blanks3 Short AnswerMultiple ChoiceTrue / False

Standards

CCSS.MATH.CONTENT.6.NS.B.4

Topics

MathNumber SenseNumber TheoryLCMGrade 8

8 sections · Free to use · Printable

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Least Common Multiple (LCM) Practice

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Read each question carefully and determine the Least Common Multiple (LCM) for the given numbers. Show your work where applicable.

1. List the first five multiples of 4: , , , ,

2. List the first five multiples of 6: , , , ,

3. What is the Least Common Multiple of 3 and 5?

4. Find the LCM of 8 and 12.

5. Which of the following is the LCM of 7 and 9?

6. Determine the LCM of 2, 4, and 6.

7. The LCM of two prime numbers is always their product.

True

False

8. Two bells ring at intervals of 4 minutes and 6 minutes respectively. If they both ring together at 10:00 AM, at what time will they next ring together?