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Edexcel IGCSE Math A 1.1.H prime factors common factors and multiples

Practise factor-and-multiple questions by finding common multiples and using factor structure to identify required factors.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Foundation

Exam points

  • Find a number that is a common multiple of two given integers from the prompt.
  • Use factor structure to identify the largest factor with a stated property.

1.1.H Prime factors, common factors and common multiples question 1

[Maximum number: 1]

Here is a list of numbers.

289182428\begin{array}{llllll} 2 & 8 & 9 & 18 & 24 & 28 \end{array}

From the numbers in the list, write down

a number that is a multiple of both 4 and 6

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