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Is 21 composite or prime

Updated: 12/23/2022
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8y ago

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21 is composite. It's the product of 7 and 3 .

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13y ago
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8y ago

21 is composite, because 21 has more than 2 factors (1,3, and 7)

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12y ago

composite- 7x3=21

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Q: Is 21 composite or prime
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