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​Q8: Question – Paper 4 – November 2018

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Content:

• HCF & LCM Large Numbers
• Indices Division
• Expressing Numbers as a Product of their Prime Factors
• HCF & LCM​

Quizzes:

• HCF & LCF Large Numbers
• Indices Division
• Expressing Numbers as a Product of their Prime Factors
• HCF & LCM

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Question

8 a) Two numbers, P and Q, are written as products of their prime factors.

i) Find the lowest common multiple (LCM) of P and Q.

[2 marks]

​ii) The number C is written as the product of its prime factors.

Work out P ÷ C, leaving your answer as a product of powers of prime numbers.

[2 marks]

b i) Write 450 as a product of its prime factors.

[3 marks]

​ii) Find the highest common factor (HCF) of 270 and 450.

[3 marks]

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