Which number is a composite number?

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Prepare for the CSET Multiple Subjects Subtest 2 Exam. Enhance your knowledge with our engaging flashcards and multiple choice questions, complete with hints and explanations.

Multiple Choice

Which number is a composite number?

Explanation:
A number is composite when it has more than two positive divisors. That means it can be divided evenly by numbers other than 1 and itself. The number 4 fits this idea because it can be divided by 1, 2, and 4, giving three divisors. It's not prime, since primes have exactly two divisors (1 and the number itself). The other numbers have only two divisors each (1 and the number itself), so they are prime. Therefore, the composite number here is 4.

A number is composite when it has more than two positive divisors. That means it can be divided evenly by numbers other than 1 and itself. The number 4 fits this idea because it can be divided by 1, 2, and 4, giving three divisors. It's not prime, since primes have exactly two divisors (1 and the number itself). The other numbers have only two divisors each (1 and the number itself), so they are prime. Therefore, the composite number here is 4.

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