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A Prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 90 is composite.

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All but 97 are composite.

Some are composite, the rest are prime.

Q: Is nineties composite or prime

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Ninety-seven is a prime; the remainder of the nineties are composites.

Some of them are composite, one is a prime.

97 is prime, the rest are composite.

is every number in the nineties is a composite answer

they are both prime and composite numbers

Yes.

97 is the only prime number in the nineties.

No, 97 is prime.

No, 97 is prime.

All but 97 are composite.

97 is the only prime number.

There is one prime number and it is 97.