LCM (Lowest common multiple) & HCF (Highest common factor) are important and part of the Number System. One should understand it to solve important number theory based questions and remainder ...

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 ...