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 simplify the process. It is important to note that when you have two ...
1 is a common factor of all whole numbers. To find common factors: List the factors of each number. Compare the factors to find numbers that are the same (or common) in each list.
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