Question

Using divisibility test, determine $438750$ is divisible by $6$.

Answer 1

A number is divisible by 6 if it is divisible by $2$ and $3$ both.
When $438750$ is divided by $2$, we get zero remainder.
Therefore $438750$ is divisible by $2$.
When $438750$ is divided by $3$, we get remainder zero.
Therefore $438750$ is divisible by $3$.
Hence $438750$ is divisible by $6$.