HCF-LCM

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Highest Common Factor and Lowest Common Multiple
HCF - To find the HCF of given numbers, we make a list of the factors of the numbers and find the greatest of the common factors. This is called Factorization method.
LCM - To find the LCM of the given numbers, we write down the multiples of each of the given numbers and find the lowest of their common multiples. The LCM of two numbers cannot bigger than their product.

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