Q: Is 109,857 a Prime Number?
A: No, 109,857 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 109857 can be evenly divided by 1 3 11 33 3,329 9,987 36,619 and 109,857, with no remainder.
Since 109,857 cannot be divided by just 1 and 109,857, it is not a prime number.