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Countdown to Exams - Day 7- Prime factor decomposition, HCF and LCM

Countdown to Exams - Day 7- Prime factor decomposition, HCF and LCM

Today we are looking at the topics of Prime factor decomposition, HCF and LCM. We take a look at how to break down numbers into products of their primes and then use the information to calculate the HCF and LCM of two or more numbers. 

It is important to be confident in breaking down numbers into a product of their primes as this provides the foundation for solving HCF and LCM problems. You may come across questions involving HCF and LCM that will not require you to carry out prime factor decomposition. These are normally involved in best buy problems.

In this video, Matt takes a look at how to break down numbers and then use that information to find the HCF and LCM of two or more numbers.

EzyMaths is the ultimate online GCSE Maths support service. Schools can enjoy a free 30-day trial to see for themselves how EzyMaths can support their teaching and help their students achieve better grades.

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Tuesday, 17 May 2022
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