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Choose the number that is composite. A. 2 B. 21 C. 31 D. 17
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5 votes
Choose the number that is composite.


A. 2
B. 21
C. 31
D. 17

User Akshat Goel
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1 Answer

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A composite number has more than two factors. (B) 21 is a composite number because the factors of 21 are 7 × 3.
User Daxeh
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