List the factors of each number ... that are not common to each product are unique for that number. Find the LCM by multiplying the common factors by the unique factors of one number and the ...

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 ...