Q: Is 231,018 a Prime Number?

A: No, 231,018 is not a prime number.

Why is 231,018 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 231018 can be evenly divided by 1 2 3 6 139 277 278 417 554 831 834 1,662 38,503 77,006 115,509 and 231,018, with no remainder.

Since 231,018 cannot be divided by just 1 and 231,018, it is not a prime number.

Number	231,016	231,017	231,019	231,020
Prime?	no	yes	yes	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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