The following four sentences are equivalent.
That is, they are true at the same
time, and false at the same time:
The number
$\,n\,$ is divisible by $\,k\,$.
The number
$\,n\,$ is a multiple of $\,k\,$.
The number
$\,k\,$ is a factor of $\,n\,$.
The number
$\,k\,$ goes into $\,n\,$ evenly.