Q: Is 428,351 a Prime Number?
A: No, 428,351 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 428351 can be evenly divided by 1 7 11 77 5,563 38,941 61,193 and 428,351, with no remainder.
Since 428,351 cannot be divided by just 1 and 428,351, it is not a prime number.