Q: Is 388,857 a Prime Number?
A: No, 388,857 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 388857 can be evenly divided by 1 3 7 21 18,517 55,551 129,619 and 388,857, with no remainder.
Since 388,857 cannot be divided by just 1 and 388,857, it is not a prime number.