OCR Foundation · Paper 1 · May 2025 · Q9 · calculator
Factors, HCF & Common Multiples
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From the paper · Q9 · 5 marks

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Factors of N: 1, 2, 3, 4, 6, 8, 12, 24 (a) Write down N (b) M = 2 × 3 × 11: HCF of N and M (c) 100 to 150, factors 5 and 12
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(a) N = 24 (b) M = 66, HCF = 6 (c) 120 (a multiple of 60).
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