Q: Is 402,729 a Prime Number?
A: No, 402,729 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 402729 can be evenly divided by 1 3 134,243 and 402,729, with no remainder.
Since 402,729 cannot be divided by just 1 and 402,729, it is not a prime number.