HCF and LCM : Factors, Multiples, LCM, HCF

Hello friends, in this post we will discuss about factors multiples LCM and HCF. 
List of topics we will cover in this post
1. Factors
2. Multiples
3. LCM
4. HCF

1. Factors : factors are the set of numbers which exactly divides the given number. 

2. Multiples : set of numbers which are exactly divisible by the given number are multiples of the given number
For example 
If the number is 4 then { 4, 2, 1 } is the set of factors while { 4, 8, 16 ,32...} is the set of multiples of 4 . 

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