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Prime Factors, HCF and LCM

Prime Factors, HCF and LCM

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Question 15
70%
C=32×53×11 \mathbf{C} = 3^2 \times 5^3 \times 11 C=32×53×11 D=2×33×52 \mathbf{D} = 2 \times 3^3 \times 5^2 D=2×33×52
a.

Write down the highest common factor (HCF) of C and D.

[1]
b.

Find the lowest common multiple (LCM) of C and D.

[2]
Markscheme

Prime Factors, HCF and LCM Questions

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

59 exam-style questions on Edexcel 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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