Multiple choice

What is the HCF of 56 and 40?

  1. 6

  2. 8

  3. 10

  4. 19
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Prime factorisation of 56 = 2 × 2 × 2 × 7 Prime factorisation of 40 = 2 × 2 × 2 × 5 HCF of 56 and 40 = 2 × 2 × 2 = 8

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