Q: Is 315,489 a Prime Number?
A: No, 315,489 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 315489 can be evenly divided by 1 3 103 309 1,021 3,063 105,163 and 315,489, with no remainder.
Since 315,489 cannot be divided by just 1 and 315,489, it is not a prime number.