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To find the hcf, first split the numbers into their prime factors:

20 = 2x2x5

16 = 2x2x2x2

The next step is to identify any common prime factors. In this case both numbers have 2 and 2 as prime factors. Multiply these together and you get 4.

Thus the hcf of 20 and 16 is 4.

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โˆ™ 2012-02-25 22:17:47
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โˆ™ 2020-05-20 15:40:37

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Q: What is the HCF of 20 16?
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