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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.

Q: Why is a number prime or composite?

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It is prime

86 is not a prime number, so is a composite.

No 168 is not a prime number it is a composite number

Prime.

It is a composite number.

Related questions

It is not a prime number, it is a composite number.

It is prime

86 is not a prime number, so is a composite.

It is a Prime number, and therefore not a composite number.211 is a prime number.

No 168 is not a prime number it is a composite number

The number is not COMPOSITE. Instead, it is a prime number.

A prime number has two factors, a composite number has more than two.

Composite (the only even number that is prime is2).

Prime.

It is a composite number.

composite

Composite