Q: Is 800,728 a Prime Number?
A: No, 800,728 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 800728 can be evenly divided by 1 2 4 8 101 202 404 808 991 1,982 3,964 7,928 100,091 200,182 400,364 and 800,728, with no remainder.
Since 800,728 cannot be divided by just 1 and 800,728, it is not a prime number.