What is the divisibility rule of 9?

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Studies Bhumika 5 years 1 Answer 238 views Bronze 0

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  1. kritika Silver
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    June 4, 2019 at 11:55 pm

    The Rule for 9: The prime factors of 9 are 3 and 3. So we can use a very similar rule to determine if a number is divisible by 9. Basically, we will see if the sum of the digits is divisible by 9. If it is, then the actual number is also divisible by 9.

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