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As an even number greater than 2, 90 is divisible by 2 and therefore composite.

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14y ago
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14y ago

90 is a composite number because it has 12 factors: 1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, and 90.

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7y ago

composite

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Q: Is 90 composite or prime
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