Question

Check the divisbilty of 723457by 3

Answer 1

If you want to check the divisibility of a number by 3, add all the digits of a number and see if the number is divisible by 3, the actual number will be divisible by 3.
According to your problem,
723457 by 3
7+2+3+4+5+7=28
28 is not divisible by 3
Therefore, 723457 is not divisible by 3.

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