Q: Is 12,855 a Prime Number?
A: No, 12,855 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 12855 can be evenly divided by 1 3 5 15 857 2,571 4,285 and 12,855, with no remainder.
Since 12,855 cannot be divided by just 1 and 12,855, it is not a prime number.