Q: Is 428,485 a Prime Number?
A: No, 428,485 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 428485 can be evenly divided by 1 5 17 71 85 355 1,207 5,041 6,035 25,205 85,697 and 428,485, with no remainder.
Since 428,485 cannot be divided by just 1 and 428,485, it is not a prime number.