Q: Is 427,855 a Prime Number?
A: No, 427,855 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 427855 can be evenly divided by 1 5 85,571 and 427,855, with no remainder.
Since 427,855 cannot be divided by just 1 and 427,855, it is not a prime number.