Q: Is 428,597 a Prime Number?
A: No, 428,597 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 428597 can be evenly divided by 1 13 32,969 and 428,597, with no remainder.
Since 428,597 cannot be divided by just 1 and 428,597, it is not a prime number.