Q: Is 729,021 a Prime Number?
A: No, 729,021 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 729021 can be evenly divided by 1 3 41 123 5,927 17,781 243,007 and 729,021, with no remainder.
Since 729,021 cannot be divided by just 1 and 729,021, it is not a prime number.