Q: Is 428,764 a Prime Number?
A: No, 428,764 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 428764 can be evenly divided by 1 2 4 7 14 28 15,313 30,626 61,252 107,191 214,382 and 428,764, with no remainder.
Since 428,764 cannot be divided by just 1 and 428,764, it is not a prime number.