Mathematics · May / June 2024 · Paper 21 · Question 4
0580
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Find the greatest odd number that is a factor of 140 and a factor of 210. [2]
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35 [2]
B1 for answer 5, 7 or 70
or M1 for 2 × 2 × 5 × 7 and 2 × 3 × 5 × 7 or two correct factor trees or tables or 5 × 7 × k seen
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