Q: Is 729,320 a Prime Number?
A: No, 729,320 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 729320 can be evenly divided by 1 2 4 5 8 10 20 40 18,233 36,466 72,932 91,165 145,864 182,330 364,660 and 729,320, with no remainder.
Since 729,320 cannot be divided by just 1 and 729,320, it is not a prime number.