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 simplify the process. It is important to note that when you have two ...

Find the LCM by multiplying the ... Use the Venn diagram to work out the Highest Common Factor and the Lowest Common Multiple of 64 and 100. The HCF is 4. The Lowest Common Multiple is the product ...