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Subjects>Math>Basic Math

What are the HCF of 15 and 20?

Wiki User

∙ 2012-02-26 21:55:56

Best Answer

To find the HCF, you first have to express both numbers as the product of their prime factors:

15 = 3x5

20 = 2x2x5

The next step is to identify any common prime factors. In this case both numbers have a 5 as a prime factor. Therefore the HCF of 15 and 20 is 5.

Wiki User

∙ 2012-02-26 21:55:56

This answer is:

Anonymous ∙

Lvl 1

∙ 2020-10-04 23:10:50

thanks

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Anonymous ∙

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∙ 2020-07-23 15:39:38

5

This answer is:

Ruqaiyyah Husman ∙

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∙ 2021-05-11 23:10:39

Thank u so much

Anonymous ∙

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∙ 2020-07-23 15:40:19

2and5

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Anonymous ∙

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∙ 2020-10-04 16:32:50

das

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Continue Learning about Basic Math

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The GCF is 5.

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HCF is the highest common factor of two or more numbers. HCF of 20 and 200 is 20.

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HCF is the highest common factor of two or more numbers. HCF of 9 and 15 is 3.

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