Here is a list of numbers.
30 31 k k\,k 33 34 35 36 37 38 39
k k\,k is the multiple of 8 between 30 and 39.
From the numbers on the list,
write down a square number
write down, in terms of kkk, a multiple of 8
write down all of the 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.