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C.10

LCM of Three Numbers

Q1 · Sep–Nov

Find the least common multiple of three numbers.

Level
Medium
Problems
Daniel Math Academy · Grade 6 Math

LCM of Three Numbers

Skill C.10 · Factors, multiples & primes · ★★☆ Medium · Quarter 1

Name
 
Date
 
Score/ 4

Find each LCM.

Example

Think: List multiples of the greatest number, 9: 9, 18, 27, 36. The first one that 4 and 6 also divide is 36.

  1. 1
    Find the least common multiple (LCM) of 2, 6, and 9.
  2. 2
    Find the least common multiple (LCM) of 2, 3, and 10.
  3. 3
    Find the least common multiple (LCM) of 4, 8, and 10.
  4. 4
    Find the least common multiple (LCM) of 2, 4, and 9.
Daniel Math Academy · danielmath.comWorksheet #jcmb6y8 · Page 1 / 2
Daniel Math Academy · Grade 6 Math

Answer Key

C.10 LCM of Three Numbers · ★★☆ Medium

  1. 118
  2. 230
  3. 340
  4. 436
Daniel Math Academy · danielmath.comWorksheet #jcmb6y8 · Answer Key · Page 2 / 2

C. Factors, multiples & primes11 skills

  1. C.1Divisibility Rules
  2. C.2Prime or Composite
  3. C.3List the Factors
  4. C.4Factor Pairs
  5. C.5Prime Factorization
  6. C.6Prime Factorization with Exponents
  7. C.7Greatest Common Factor
  8. C.8GCF of Three Numbers
  9. C.9Least Common Multiple
  10. C.10LCM of Three Numbers
  11. C.11GCF & LCM
Unit review worksheet (all 11 skills)