Nod your head in a yes in case you were the type who did not like LCM and HCF in school. Nod your head again if you never or just rarely got correct answers in calculating LCM and HCF. Well, whatever ...

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 ...

LCM and HCF is a very basic concept of mathematics and you will never be getting a direct question on this topic in the Quantitative Aptitude Section of CAT Examination. Watch this video to understand ...