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57 is divisible by 3 so it is composite. A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1, 2, and 0. 1, 2, and 0 have a different name.

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12y ago
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14y ago

57 is composite because it has 4 factors: 1, 3, 19, and 57.

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14y ago

57 is a composite.

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Q: Is 57 a composite or prime?
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