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Year 7 maths · AA.1 · Factors and Multiples

Greatest common factor of two numbers to 100

Find the largest number that divides both numbers evenly. Listing the factors of each number helps.

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  1. Find the greatest common factor of 2 and 6.

    Answer: 2

  2. What is the GCF of 4 and 10?

    Answer: 2

  3. Find the greatest common factor of 9 and 3.

    Answer: 3

Tip: Find the largest number that divides both numbers evenly. Listing the factors of each number helps.

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