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5 Write down two factors of 18 (Total for question 5 is 2 marks) 6 Write down all the prime numbers between 20 and 30 (Total for question 6 is 2 marks) 7 Write down two multiples of 10 (Total for question 7 is 2 marks), 8 Here is a list of numbers. 15 19 25 31 35 39 40
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