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99 = 3 x 3 x 11. For any number up to 100, you can quickly determine whether it is composite by trying to divide by 2, 3, 5, and 7. For larger numbers, you may need to test more factors, up to the square root of the number.

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14y ago
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7y ago

composite

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Q: Is ninety nine a composite or prime?
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Related questions

Is 99 a prime number or a composite?

99 (Ninety nine) is composite, because it can be multiplied by 11, and 1.


Is nine a prime or a composite?

Prime


Is ninety-nine a composite number?

Yes.


Is nine a prime your composite?

It is composite.


Is nineties a prime or a composite?

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


Is fifty nine prime or composite?

It is prime.


Is thirty nine prime or composite?

prime


Is 90 is prime number?

Ninety is a composite number. Ninety is a composite number.


Why is thirty-nine a prime number?

Thirty-nine is NOT a prime number. It is composite.


Is number thirty-nine prime or composite?

39 is composite.


Is nine prime your positive?

Composite.


Is ninety eight composite or prime?

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. 98 is composite.