Prime Factors, HCF and LCM
11
0/3
648=23×34 648 = 2^3 \times 3^4 648=23×34 540=22×33×5 540 = 2^2 \times 3^3 \times 5 540=22×33×5
a.

Write down the highest common factor (HCF) of 648 and 540.

[1]
b.

Find the lowest common multiple (LCM) of 648 and 540.

[2]

Prime Factors, HCF and LCM Questions

Practise Oxford AQA IGCSE Maths Prime Factors, HCF and LCM with exam-style questions for Core and Extended tier. 16 questions, matched to the Oxford AQA IGCSE Maths (9260) specification and written in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) 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.

PreviousNext

Prime Factors, HCF and LCM Questions

  1. IGCSE
  2. /Maths
  3. /Prime Factors, HCF and LCM