Playing with numbers - General properties of divisibility: Mathematics

EKalam

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 In this session we will study :-  The general properties of divisibility.  Property 1 - If a number is divisible by another number, it must be divisible by each factors of that number Eg.

     i.        Every number divisible by 9 is also divisible by 3.

   ii.        Every number divisible by 8 is also divisible by 4.,Property 2- if a number is divisible by each of two co-prime numbers it must be divisible by their product.