There are some more divisibility rules
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If a number is divisible by another number,
It is divisible by all the factors of the number
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If a number is divisible by two co-prime numbers,
it is divisible their product
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If two numbers are divisible by a number,
their sum is also divisible by the number
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If two numbers are divisible by a number,
their difference is also divisible by the number
Let’s discuss these one by one