Q: Is 723,728 a Prime Number?
A: No, 723,728 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 723728 can be evenly divided by 1 2 4 8 16 45,233 90,466 180,932 361,864 and 723,728, with no remainder.
Since 723,728 cannot be divided by just 1 and 723,728, it is not a prime number.