C.7

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1분기 (9~11월)

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Daniel Math Academy · Grade 6 Math

Greatest Common Factor

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

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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 27 and 45.
  2. 2
    Find the greatest common factor (GCF) of 30 and 15.
  3. 3
    Find the greatest common factor (GCF) of 70 and 91.
  4. 4
    Find the greatest common factor (GCF) of 90 and 70.
Daniel Math Academy · danielmath.comWorksheet #5fsdgtm · Page 1 / 2
Daniel Math Academy · Grade 6 Math

Answer Key

C.7 Greatest Common Factor · ★★☆ Medium

  1. 19
  2. 215
  3. 37
  4. 410
Daniel Math Academy · danielmath.comWorksheet #5fsdgtm · Answer Key · Page 2 / 2