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All composite numbers have more than two factors whereas prime numbers have only two factors
8, 10, and 12 are 3 composite numbers. They are composite because they ahve more than 2 factors.
57 is a composite number with factors 3 and 19.
All composite numbers have more than 2 factors. The factors of 12 are 1, 2, 3, 4, 6, and 12, and this proves that 12 is a composite number.
33 is a composite number. Its factors are 1, 3, 11, and 33.