0580/11 Oct/Nov 2023, Question 15: HCF and LCM
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 2 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
Find the highest common factor of 140 and 126.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1140 = 2 × 2 × 5 × 7
- 2126 = 2 × 3 × 3 × 7
- 3HCF = 2 × 7 = 14
Answer14
Stuck on a step? Read the free lesson: HCF and LCM
Practise more hcf and lcm questions
Real 0580 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on hcf and lcm
Also searched as: 0580/11/O/N/23 · 0580_w23_qp_11 · 0580 w23 11 · question 15.
Lemmara is an independent study tool, not affiliated with or endorsed by Cambridge International Education. The worked solutions are Lemmara’s own.