LCM and HCF are part of Number Theory and are useful in solving many questions. Read the article and know the basics. ByJagran Josh. Jul 7, 2014, 10:59 IST.

c) 9996 and 10,080. d) 9936 and 10,140. 4. For how many value of ‘P’ the LCM of P and 20 will be 40. a) 1. b) 2. c) 4. d) More than 4. How to solve problems based on LCM and HCF Concept in CAT ...

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 ...