Q: Is 18,239 a Prime Number?

A: No, 18,239 is not a prime number.

Why is 18,239 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 18239 can be evenly divided by 1 13 23 61 299 793 1,403 and 18,239, with no remainder.

Since 18,239 cannot be divided by just 1 and 18,239, it is not a prime number.

Number	18,237	18,238	18,240	18,241
Prime?	no	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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