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 are part of Number Theory and are useful in solving many questions. Read the article and know the basics. LCM (Lowest common multiple) & HCF (Highest common factor) are important and part ...

Refresh your knowledge with these guides on factor trees and writing numbers as a product of prime factors. List the factors of each number. Compare the lists to find the greatest number common to ...

Quantitative Aptitude Practice questions on HCF and LCM: This practice set has 7 questions with their answers & Explanatory answer covering topics from the areas of Quantitative Aptitude. 1. How many ...