Q: Is 231,111 a Prime Number?

A: No, 231,111 is not a prime number.

Why is 231,111 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 231111 can be evenly divided by 1 3 9 25,679 77,037 and 231,111, with no remainder.

Since 231,111 cannot be divided by just 1 and 231,111, it is not a prime number.

Number	231,109	231,110	231,112	231,113
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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