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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.

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Wiki User

โˆ™ 2012-02-26 21:55:56
This answer is:
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Anonymous

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โˆ™ 2020-10-04 23:10:50
thanks
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Anonymous

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โˆ™ 2020-07-23 15:39:38

5

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Ruqaiyyah Husman

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โˆ™ 2021-05-11 23:10:39
Thank u so much

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Anonymous

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โˆ™ 2020-07-23 15:40:19

2and5

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Anonymous

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โˆ™ 2020-10-04 16:32:50

das

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Q: What are the HCF of 15 and 20?
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