Sometimes you are given numbers expressed as a product of prime factors. For example, 8 = 2 3 and 90 = 2 × 3 2 × 5. If you want to find the LCM and HCF in an exam, we can use prime factor form to ...

Q9. What is the HCF (highest common factor)? Ans. The HCF (Highest Common Factor) of two or more numbers is the highest number among all the common factors of the given numbers. Q10. When a point is ...