Q: Is 424,389 a Prime Number?
A: No, 424,389 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 424389 can be evenly divided by 1 3 7 21 49 147 2,887 8,661 20,209 60,627 141,463 and 424,389, with no remainder.
Since 424,389 cannot be divided by just 1 and 424,389, it is not a prime number.