Here is a list of numbers.
8 12 k k\,k 17 23 27 32
where k k\,k is a prime number other than 17 or 23.
From the numbers on the list,
write down a factor of 16
write down a multiple of 9
write down all of the prime numbers on the list.
246 exam-style questions on Eduqas GCSE Maths Factors and Multiples. Each one has a worked solution and a mark scheme showing where the marks go.