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What factor of 21 is a prime factor?

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Anonymous

∙ 16y ago
Updated: 8/18/2019

21 = 3 x 7. Both these factors are prime.

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Wiki User

∙ 16y ago
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Related Questions

Is 21 a prime factor?

no


What is a prime number for 12 and 21?

3 is a prime factor of 12 and of 21.


What is the composite number between 20 and 50 whose prime factor is 21?

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No. The only factors of a prime number are 1 and itself. The only way that 21 could be a factor of a prime number is if it were a prime number, but it is not because 21 is also divisible by 3 and 7.


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3 and 7

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