Q: Is 6,720,729 a Prime Number?
A: No, 6,720,729 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 6720729 can be evenly divided by 1 3 17 51 131,779 395,337 2,240,243 and 6,720,729, with no remainder.
Since 6,720,729 cannot be divided by just 1 and 6,720,729, it is not a prime number.