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 ...

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 ...

This HCF and LCM worksheet covers prime factorisation and finding the HCF and LCM of two (or three) numbers. It features exam-style questions that gradually increase in difficulty. These questions ...

It would take a long time to write out all the factors and multiples of 24 and 180 and compare the lists. It would also be easy to make a mistake. A more efficient method is to use prime factors.

Think about how we normally find HCFs and LCMs. Take two numbers, x and y. (I'm also not a fan of algebra, but bear with me here.) For these two numbers there must a least common multiple 'l' that is ...

This free LCM and HCF PowerPoint features Batman-themed questions. Students need to solve problems about grouping and pairing items. Batman wants to order some grenades and some grappling ropes.

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. Your ...