Q: Is 6,315 a Prime Number?
A: No, 6,315 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 6315 can be evenly divided by 1 3 5 15 421 1,263 2,105 and 6,315, with no remainder.
Since 6,315 cannot be divided by just 1 and 6,315, it is not a prime number.