Q: Is 628,435 a Prime Number?
A: No, 628,435 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 628435 can be evenly divided by 1 5 125,687 and 628,435, with no remainder.
Since 628,435 cannot be divided by just 1 and 628,435, it is not a prime number.