0580/13 May/Jun 2023, Question 17: HCF and LCM
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks
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The question, in short
Find the highest common factor of 32 and 120.
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Solution · 2 marks
- 132 = 2 × 2 × 2 × 2 × 2
- 2120 = 2 × 2 × 2 × 3 × 5
- 3Common factors: 2 × 2 × 2
- 4HCF = 8
Answer8
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