Q: Is 231,143 a Prime Number?
A: No, 231,143 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 231143 can be evenly divided by 1 11 21,013 and 231,143, with no remainder.
Since 231,143 cannot be divided by just 1 and 231,143, it is not a prime number.