Kenny is thinking of two numbers greater than 10. He says: "The highest common factor (HCF) of my two numbers is 7 The lowest common multiple (LCM) of my two numbers is 84"
Write down the two numbers that Kenny is thinking of.
Practise OCR GCSE Maths Prime Factors, HCF and LCM with exam-style questions for Foundation and Higher tier. 59 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.