Q: Is 42,855 a Prime Number?
A: No, 42,855 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 42855 can be evenly divided by 1 3 5 15 2,857 8,571 14,285 and 42,855, with no remainder.
Since 42,855 cannot be divided by just 1 and 42,855, it is not a prime number.