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 common factors by the unique factors of one number and the unique factors of the other number. Find the Highest Common Factor of 120 and 63. 120 = 2³ × 3 × 5 and ...

For HCF and LCM-based word problems, read the question carefully and determine whether to use HCF or LCM based on the given ...