Q: Is 489,375 a Prime Number?
A: No, 489,375 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 489375 can be evenly divided by 1 3 5 9 15 25 27 29 45 75 87 125 135 145 225 261 375 435 625 675 725 783 1,125 1,305 1,875 2,175 3,375 3,625 3,915 5,625 6,525 10,875 16,875 18,125 19,575 32,625 54,375 97,875 163,125 and 489,375, with no remainder.
Since 489,375 cannot be divided by just 1 and 489,375, it is not a prime number.