A security keypad code consists of all the prime numbers between 50 and 60.
Write down these numbers.
Practise OCR GCSE Maths Factors and Multiples with exam-style questions for Foundation and Higher tier. 96 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.