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16-10-2020
Mathematics

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16. (a) Find the Highest Common Factor (HCF) of 30 and 42.

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16-10-2020

Answer: 6

Step-by-step explanation: By checking the factors of both numbers, you see that 6 is their greatest common factor.

30: 1, 2, 3, 5, 6, 10, 15, 30

42: 1, 2, 3, 6, 7, 14, 21, 42

Hope this helps!

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