‘Lowest common multiple’ and ‘highest common factor’ – two vital skills for pupils to ‘master’. Although I am fearful of using that particular term; in part because it has become overused, but also ...

This KS3 maths worksheet is ideal for homework or classwork, and focuses on Highest Common Factor and Lowest Common Multiple. The objective is simply to be able to find the HCF and LCM of a pair of ...

Greatest common divisor of 5 and 10 is 5, because both the numbers are divisible by 5. In order to find gcd of numbers, all factors of the numbers is needed to be determined and find the largest ...

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

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.