Q: Is 428,763 a Prime Number?
A: No, 428,763 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 428763 can be evenly divided by 1 3 131 393 1,091 3,273 142,921 and 428,763, with no remainder.
Since 428,763 cannot be divided by just 1 and 428,763, it is not a prime number.