Q: Is 428,235 a Prime Number?
A: No, 428,235 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 428235 can be evenly divided by 1 3 5 15 28,549 85,647 142,745 and 428,235, with no remainder.
Since 428,235 cannot be divided by just 1 and 428,235, it is not a prime number.