Q: Is 489,423 a Prime Number?
A: No, 489,423 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 489423 can be evenly divided by 1 3 11 33 14,831 44,493 163,141 and 489,423, with no remainder.
Since 489,423 cannot be divided by just 1 and 489,423, it is not a prime number.