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Year 7 Maths Whole Numbers

Greatest Common Divisor

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Question 1
201030
The factors of \(12\) are \(1\), \(2\), \(3\), \(4\), \(6\) and \(12\). The factors of \(18\) are \(1\), \(2\), \(3\), \(6\), \(9\) and \(18\). What is the highest common factor (HCF) of \(12\) and \(18\)?
6
1 mark

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