Here is a list of numbers.
8 12 15 17 23 27 32
From the numbers on the list,
verify that 8 is a factor of 16
verify that 27 is a multiple of 9
verify that 17 and 23 are the only prime numbers on the list.
245 exam-style questions on Edexcel GCSE Maths Factors and Multiples. Each one has a worked solution and a mark scheme showing where the marks go.