Q: Is 231,518 a Prime Number?
A: No, 231,518 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 231518 can be evenly divided by 1 2 7 14 23 46 161 322 719 1,438 5,033 10,066 16,537 33,074 115,759 and 231,518, with no remainder.
Since 231,518 cannot be divided by just 1 and 231,518, it is not a prime number.