Q: Is 728,291 a Prime Number?
A: No, 728,291 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 728291 can be evenly divided by 1 43 16,937 and 728,291, with no remainder.
Since 728,291 cannot be divided by just 1 and 728,291, it is not a prime number.