Question

Check divisibility of the following number by 3 and 9
57,309, 576​

Answer 1

Step-by-step explanation:

If the sum of digits of the given number is divisible by three then the number itself will be divisible by three. If the sum of digits of the given number is divisible by nine then the number itself is divisible by nine.

Here, 5+7+3+0+9 = 24

Which means that 57309 is divisible by 3 but not by 9

Also, 5+7+6 = 18

Therefore, this indicates that 576 is divisible by 3 as well as 9.

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