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Divisibility by 48 requires divisibility by 3 AND by 48

- Divisibility by 3 requires tat the digital root (sum of digits) is divisible by 3.
- Divisibility by 16 requires that the number formed by the last four digits is divisible by 16.

Of both these are satisfied by a number then it is divisible by 48.

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Q: What are all the divisibility rules for 48?

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