0580/12 Oct/Nov 2025, Question 8: Factors and Multiples
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Non-calculator · 3 marks
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The question, in short
Find every number n that divides 144 exactly and is also a multiple of 9.
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Solution · 3 marks
- 1Factors of 144: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
- 2Multiples of 9 in this list: 9, 18, 36, 72, 144
Answer9, 18, 36, 72, 144
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