Q: Is 40,018 a Prime Number?

A: No, 40,018 is not a prime number.

Why is 40,018 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 40018 can be evenly divided by 1 2 11 17 22 34 107 187 214 374 1,177 1,819 2,354 3,638 20,009 and 40,018, with no remainder.

Since 40,018 cannot be divided by just 1 and 40,018, it is not a prime number.

Number	40,016	40,017	40,019	40,020
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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