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21 is a Composite Number.

A Prime number is a whole number that only has two factors which are itself and one. A composite number has factors in addition to one and itself.

21 is divisible by 3 and 7.

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โˆ™ 2014-03-05 23:50:35
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Annastasia Lyden

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โˆ™ 2020-12-01 17:59:25

prime

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Anonymous

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โˆ™ 2020-04-21 18:56:21

Prime

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Anonymous

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โˆ™ 2020-06-18 19:20:12

prime

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โˆ™ 2020-06-30 13:16:52

No

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Q: Is 21 a prime number or a composite number?
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Related questions

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