Q: Is 231,567 a Prime Number?
A: No, 231,567 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 231567 can be evenly divided by 1 3 7 21 11,027 33,081 77,189 and 231,567, with no remainder.
Since 231,567 cannot be divided by just 1 and 231,567, it is not a prime number.