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 ...
There are many methods to find the prime factors of a number, but one of the most common is to use a prime factor tree. Firstly, find two numbers that will multiply together to give 40. These are ...
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