Q: Is 25,891 a Prime Number?

A: No, 25,891 is not a prime number.

Why is 25,891 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 25891 can be evenly divided by 1 17 1,523 and 25,891, with no remainder.

Since 25,891 cannot be divided by just 1 and 25,891, it is not a prime number.

Number	25,889	25,890	25,892	25,893
Prime?	yes	no	no	no

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

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