Using the Divisibility Test, determine whether the
following are divisible by 7, 11 and 13: (the following
numbers are not divisible aside from what is stated below)

231 divisible by 7 and 11

513 not divisible

623 divisible by 7

741divisible by 13

1001 divisible by 7, 11 and
13

Using the Prime Number Test, determine whether the
following are prime or composite: