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287 is not prime. 287 = 7 * 41
287 is a composite number.

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13y ago
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Wiki User

12y ago

287 is a composite number. Composite numbers are any number that has more than two factors(one and itself). Therefore, since 7 and 41 are factors of 287 that makes it a composite number.

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Q: Is 287 a prime number or a composite number?
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