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What factor of 21 is a prime factor?

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Anonymous

∙ 15y ago
Updated: 8/18/2019

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

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∙ 15y ago
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Is 21 a prime factor?

no


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

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3 and 7

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