Q: Is 428,799 a Prime Number?
A: No, 428,799 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 428799 can be evenly divided by 1 3 7 21 49 147 2,917 8,751 20,419 61,257 142,933 and 428,799, with no remainder.
Since 428,799 cannot be divided by just 1 and 428,799, it is not a prime number.