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Prime Factors, HCF and LCM

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Question 17
63%
675=33×52 675 = 3^3 \times 5^2 675=33×52 1500=22×3×53 1500 = 2^2 \times 3 \times 5^3 1500=22×3×53
a.

Write down the highest common factor (HCF) of 675 and 1500.

[1]
b.

Find the lowest common multiple (LCM) of 675 and 1500.

[2]
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Prime Factors, HCF and LCM Questions

  1. GCSE
  2. /Maths
  3. /Prime Factors, HCF and LCM

58 exam-style questions on AQA GCSE Maths Prime Factors, HCF and LCM. Each one has a worked solution and a mark scheme showing where the marks go.

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