Q: Is 489,428 a Prime Number?
A: No, 489,428 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 489428 can be evenly divided by 1 2 4 31 62 124 3,947 7,894 15,788 122,357 244,714 and 489,428, with no remainder.
Since 489,428 cannot be divided by just 1 and 489,428, it is not a prime number.