Q: Is 489,857 a Prime Number?
A: No, 489,857 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 489857 can be evenly divided by 1 383 1,279 and 489,857, with no remainder.
Since 489,857 cannot be divided by just 1 and 489,857, it is not a prime number.