Q: Is 423,729 a Prime Number?
A: No, 423,729 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 423729 can be evenly divided by 1 3 9 23 69 89 207 267 529 801 1,587 2,047 4,761 6,141 18,423 47,081 141,243 and 423,729, with no remainder.
Since 423,729 cannot be divided by just 1 and 423,729, it is not a prime number.