Answer:
A prime number only has two factors: 1, and the number itself. The number 27 is not a prime number because it is divisible by 1, 3, 9, and 27. It has more than two factors, so it is not a prime number.
Explanation:
27 is not a prime number because it can be divided evenly by numbers other than 1 and itself. Specifically, 27 can be divided by 3 and 9, which means it has divisors other than just 1 and 27, making it a composite number rather than a prime number.
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