HCF and LCM | Numbers | Maths

The video tutorial, led by Lorenzo, explores the concepts of highest common factors (HCF) and lowest common multiples (LCM). It begins with an introduction to factors and multiples, explaining that factors are numbers that divide another number exactly, while multiples are results of multiplying a number by integers. The tutorial then delves into finding the HCF, using examples like 16 and 24, and explains the process of listing factors and identifying the highest common one. It also covers finding the LCM by listing multiples and identifying the smallest common multiple, using examples like 16 and 24, and 15 and 25. The video concludes with practice exercises for viewers to apply their understanding.

What is a factor and how does it relate to whole numbers?

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Explain the process of finding the highest common factor (HCF) using the numbers 16 and 24.

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What steps are involved in finding the lowest common multiple (LCM) of two numbers?

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How do you determine the HCF and LCM for the numbers 15 and 25?

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What are the HCF and LCM of the pair 24 and 36, and how did you arrive at those answers?

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