Here is a list of numbers.
3 5 9 16 19 27 28
From the numbers on the list,
write down a factor of 12
write down a multiple of 7
write down all of the prime numbers on the list.
24 exam-style questions on Oxford AQA IGCSE Maths Factors and Multiples. Each one has a worked solution and a mark scheme showing where the marks go.