Multiple choice

What is the HCF of 12 , 15 and 24?

  1. 1

  2. 2

  3. 3

  4. 6

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

12, 15, 24 Factors of 12 = 2 × 2 × 3 Factors of 24 = 2 × 2 × 2 × 3 Factors of 15 = 3 x 5 HCF = 3