Question

]Which of the following is true?

7 is a composite number because one and seven are its only factors.

9 is a prime number because it is divisible by 3.

thirteen is a composite number because it is divisible by one and itself.

twenty-three is a prime number because it is only divisible by one and itself.

Answer 1

Twenty-three is a prime number because it is only divisible by one and itself.

Answer 2

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