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Composite. All whole numbers ending in five are composite.

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8y ago

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Composite.

Any number (except 5 itself) that ends in 5 is composite.

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10y ago
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As an odd number greater than 5 ending with the digit 5, 2005 is a composite number. Its positive integer factors are 1, 5, 401, 2005.

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15y ago
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Q: Is 2005 a prime number or a composite number?
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