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Finding the Greatest Common Factor

Quiz by Ralph Jayrone M. Saliganan

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5 questions
Show answers
  • Q1

    1. What is the GCF of 10 and 20?

    7

    6

    10

    5

    120s
  • Q2

    2. What is the GCF of 12 and 15?

    4

    5

    3

    6

    120s
  • Q3

    3. What is the GCF of 14 and 21?

    9

    7

    8

    10

    120s
  • Q4

    4. What is the GCF of 6 and 12?

    8

    7

    6

    9

    120s
  • Q5

    5. What is the GCF of 20 and 25?

    20

    5

    10

    15

    120s

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