Paul is thinking of a number.
He says,
“My number is odd. It is a factor of 3k 3k\,3k and a multiple of 3”
where k k\,k is a prime number greater than 3.
There are two possible numbers Paul can be thinking of.
Write down these two numbers in terms of kkk.
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.