dbarlam dbarlam

04-02-2021
Mathematics

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I need help with my HW
How can you tell without doing division if a number is a multiple of 6?

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Noel0402 Noel0402

04-02-2021

Answer:

The prime factors of 6 are 2 and 3. So for a number to be divisible by 6, it must also be divisible by 2 and 3. So you need to check if the number is even and then check if the sum of the digits is divisible by 3.

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