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C.7

Greatest Common Factor

Q1 · Sep–Nov

Find the greatest common factor of two numbers up to 100.

Level
Medium
Problems
Daniel Math Academy · Grade 6 Math

Greatest Common Factor

Skill C.7 · Factors, multiples & primes · ★★☆ Medium · Quarter 1

Name
 
Date
 
Score/ 4

Find each GCF.

Example

Think: Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24. Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36. The greatest shared one is 12.

  1. 1
    Find the greatest common factor (GCF) of 78 and 91.
  2. 2
    Find the greatest common factor (GCF) of 60 and 68.
  3. 3
    Find the greatest common factor (GCF) of 36 and 9.
  4. 4
    Find the greatest common factor (GCF) of 16 and 48.
Daniel Math Academy · danielmath.comWorksheet #tszbe32 · Page 1 / 2
Daniel Math Academy · Grade 6 Math

Answer Key

C.7 Greatest Common Factor · ★★☆ Medium

  1. 113
  2. 24
  3. 39
  4. 416
Daniel Math Academy · danielmath.comWorksheet #tszbe32 · 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)