Q: Is 428,435 a Prime Number?
A: No, 428,435 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 428435 can be evenly divided by 1 5 7 35 12,241 61,205 85,687 and 428,435, with no remainder.
Since 428,435 cannot be divided by just 1 and 428,435, it is not a prime number.