Q: Is 231,129 a Prime Number?
A: No, 231,129 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 231129 can be evenly divided by 1 3 9 61 183 421 549 1,263 3,789 25,681 77,043 and 231,129, with no remainder.
Since 231,129 cannot be divided by just 1 and 231,129, it is not a prime number.