Q: Is 28,017 a Prime Number?

A: No, 28,017 is not a prime number.

Why is 28,017 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 28017 can be evenly divided by 1 3 9 11 33 99 283 849 2,547 3,113 9,339 and 28,017, with no remainder.

Since 28,017 cannot be divided by just 1 and 28,017, it is not a prime number.

Number	28,015	28,016	28,018	28,019
Prime?	no	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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