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 ...

Use the concepts and vocabulary of factors and multiples. Find all the factor pairs for a number. How to find the factors of a number Find the factors of a number using a diagrammatic representation ...