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A composite number is a positive integer greater than 1 that is not prime, meaning it has more than two distinct positive divisors (1 and itself). For example, the numbers 4, 6, 8, 9, 10, and 12 are all composite numbers because they can be divided evenly by numbers other than 1 and themselves.
To identify if a specific number is composite, check if it has divisors other than 1 and itself. If you provide a specific number or list of numbers, I can help determine which are composite.