Q: Is 489,915 a Prime Number?
A: No, 489,915 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 489915 can be evenly divided by 1 3 5 9 15 19 27 45 57 95 135 171 191 285 513 573 855 955 1,719 2,565 2,865 3,629 5,157 8,595 10,887 18,145 25,785 32,661 54,435 97,983 163,305 and 489,915, with no remainder.
Since 489,915 cannot be divided by just 1 and 489,915, it is not a prime number.