Q: Is 90,021 a Prime Number?

A: No, 90,021 is not a prime number.

Why is 90,021 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 90021 can be evenly divided by 1 3 37 111 811 2,433 30,007 and 90,021, with no remainder.

Since 90,021 cannot be divided by just 1 and 90,021, it is not a prime number.

Number	90,019	90,020	90,022	90,023
Prime?	yes	no	no	yes

All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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