Why Is 24 Not a Prime Number? Explained with Divisors

Learn why 24 is not a prime number by understanding its divisors and what defines a prime number.

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24 is not a prime number because it has more divisors than just 1 and itself. Specifically, 24 can be divided evenly by 1, 2, 3, 4, 6, 8, 12, and 24. For a number to be considered prime, it must have exactly two distinct positive divisors: 1 and the number itself. Therefore, 24's multiple divisors disqualify it from being a prime number.

FAQs & Answers

  1. What makes a number prime? A number is prime if it has exactly two distinct positive divisors: 1 and the number itself.
  2. What are the divisors of 24? The divisors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24.
  3. Is 24 a composite number? Yes, 24 is a composite number because it has more than two divisors.