Q: Is 489,858 a Prime Number?
A: No, 489,858 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 489858 can be evenly divided by 1 2 3 6 19 38 57 114 4,297 8,594 12,891 25,782 81,643 163,286 244,929 and 489,858, with no remainder.
Since 489,858 cannot be divided by just 1 and 489,858, it is not a prime number.