Q: Is 231,512 a Prime Number?
A: No, 231,512 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 231512 can be evenly divided by 1 2 4 8 43 86 172 344 673 1,346 2,692 5,384 28,939 57,878 115,756 and 231,512, with no remainder.
Since 231,512 cannot be divided by just 1 and 231,512, it is not a prime number.