Kenny is thinking of two numbers greater than 10.
Kenny 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 Edexcel IGCSE Maths Prime Factors, HCF and LCM with exam-style questions for IGCSE Maths. 16 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 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.