Q: Is 231,957 a Prime Number?
A: No, 231,957 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 231957 can be evenly divided by 1 3 9 11 27 33 71 99 121 213 297 363 639 781 1,089 1,917 2,343 3,267 7,029 8,591 21,087 25,773 77,319 and 231,957, with no remainder.
Since 231,957 cannot be divided by just 1 and 231,957, it is not a prime number.