Q: Is 428,008 a Prime Number?
A: No, 428,008 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 428008 can be evenly divided by 1 2 4 7 8 14 28 56 7,643 15,286 30,572 53,501 61,144 107,002 214,004 and 428,008, with no remainder.
Since 428,008 cannot be divided by just 1 and 428,008, it is not a prime number.