- Click to visit the Maths Genie
- Remember Mathsgrader usually only marks correct or partially correct answers.
- If you want to type a fraction like `\frac{1}{2}`, type 1/2.
- If you want to type `x^2` type x^2.
- Any queries email ross@mathsgrader.com



Prime Factors, HCF and LCM

Q1



i)


(2 marks)


ii)


(1 mark)





Q2



i)


(2 marks)


ii)


(2 marks)





Q3




i)


Work out the highest common factor of A and B
(2 marks)




ii)
Work out the lowest common multiple of A and B


(1 mark)





Q4




(2 marks)





Q5




(3 marks)





Q6





(2 marks)