A Venn diagram shows the relationship between different sets or categories of data. For example, the following list of numbers can be sorted depending on whether the ...

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 ...