Question

Check the divisibility of the following numbers by $4$:

$583668$

Answer 1

A number is divisible by $4$, if the number formed by the two right-most digits (ones, & tens) is a multiple of $4$(or divisible by $4$).

$583668$ the two right-most digits are $68$

Check that is $68$ is divisible by $4$ or not.

$41768-4---2828----0----$

Yes, $68$ is divisible by $4$

Hence, $583668$ is divisible by $4$