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Highest common factor of 21 and 27?

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Anonymous

∙ 14y ago
Updated: 8/17/2019

the HCF or GCF is 3

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Wiki User

∙ 14y ago
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What is the highest common factor of 21 27 91?

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What are the highest common factor of 21 and 27?

The GCF is 3.


What is the highest common factor between 21 and 27?

The GCF is 3.


What is the greatest common factor of 21 and 27?

The greatest common factor of 21 and 27 is 3 because that is the highest number that goes into 21 and 27. To find the highest common factor of two numbers, you first have to break them down into their prime factors. In this case, the prime factors of 21 and 27 are: 21 = 3x7 27 = 3x3x3 The next step is to identify any common factors. In this case, the only common prime factor is 3. Thus, the highest common factor of 21 and 27 is 3.


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