Question

Test whether the following numbers are divisible by $6$.
$30654$

Answer 1

$30654\Rightarrow$ last digit is even $\because$ it is divisible by $2$.

$\Rightarrow 3+6+5+4+0=18$

$18$ is divisible by $3\therefore$

$30654$ is divisible by $3$.

Since it is divisible by both $2$ and $3$.

$\therefore 30654$ is divisible by $6$.