Q: Is 423,709 a Prime Number?
A: No, 423,709 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 423709 can be evenly divided by 1 11 13 143 2,963 32,593 38,519 and 423,709, with no remainder.
Since 423,709 cannot be divided by just 1 and 423,709, it is not a prime number.