Q: Is 489,856 a Prime Number?
A: No, 489,856 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 489856 can be evenly divided by 1 2 4 8 16 32 43 64 86 89 128 172 178 344 356 688 712 1,376 1,424 2,752 2,848 3,827 5,504 5,696 7,654 11,392 15,308 30,616 61,232 122,464 244,928 and 489,856, with no remainder.
Since 489,856 cannot be divided by just 1 and 489,856, it is not a prime number.