Draw two branches from the number to split the number into a pair of factors, greater than 1 Write each factor at the end of each branch. If a factor is a prime number, the branch does not extend ...

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 ...