Q: Is 231,507 a Prime Number?
A: No, 231,507 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 231507 can be evenly divided by 1 3 9 29 87 261 887 2,661 7,983 25,723 77,169 and 231,507, with no remainder.
Since 231,507 cannot be divided by just 1 and 231,507, it is not a prime number.