Q: Is 231,981 a Prime Number?
A: No, 231,981 is 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 231981 can be evenly divided by 1 3 53 159 1,459 4,377 77,327 and 231,981, with no remainder.
Since 231,981 cannot be divided by just 1 and 231,981, it is not a prime number.