This KS3 HCF LCM maths worksheet is ideal for homework or classwork. As the name suggests, it focuses on highest common factor and lowest common multiple. The objective is simply to be able to find ...

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 ...

"question": "The LCM and HCF of two numbers is 48 and 8. If one of the numbers is 16, find the other number.", "solution": "Product of two numbers\n= LCM*HCF\n16*x ...

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.

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 ...