Multiple choice

What is the highest common factor of 14 and 70?

  1. 14

  2. 16

  3. 18

  4. 20
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Prime factorisation of 14 = 2 × 7 Prime factorisation of 70 = 2 × 7 × 5 HCF of 14 and 70 = 14

Keep practicing — related questions