Multiple choice What is the HCF of 375, 625 and 875? 25 100 125 126 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Factors of 375 = 5 × 5 × 5 × 3 Factors of 625 = 5 × 5 × 5 × 5 Factor of 875 = 5 × 5 × 5 × 7 HCF = 5 × 5 × 5 = 125