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O-LevelMathematicsNumber4024/12 · Oct/Nov 2024 · Q141 Mark

120 = 2³ × 3 × 5 126 = 2 × 3² × 7 The lowest common multiple (LCM) of 120 and 126 is 2520. Write 2520 as a product of its prime factors.

  1. Write 2520 as a product of its prime factors.[1]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2024). The mark or mark type is shown in brackets.

  1. [1] 2³ × 3² × 5 × 7
  2. [1] or 2 × 2 × 2 × 3 × 3 × 5 × 7

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 1 mark.
Source
O-Level Mathematics, Oct/Nov 2024 Paper 1 Variant 2, question 14.

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