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 ...

Learn how to calculate the lowest common multiple and highest common factor by expressing numbers as a product of their prime factors.

Watch the video on a problem based on LCM and HCF Concept of CAT Quantitative Aptitude. It will help you in understanding the right way to solve such question.

SSC Team of has prepared concept and sample question on HCF and LCM, which is considered as important for Quantitative Section of SSC CHSL Exam 2015.