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Any number with more than 2 factors is composite.

12 has six factors, so it's composite.

18 also has six factors, so it's composite too.

(Only 4 of the factors of 8 are the same as 4 of the factors of 12)

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15y ago

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Yes because they have more than two factors.

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9y ago
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Q: Are 12 and 18 composite
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