Q: Is 423,426 a Prime Number?
A: No, 423,426 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 423426 can be evenly divided by 1 2 3 6 70,571 141,142 211,713 and 423,426, with no remainder.
Since 423,426 cannot be divided by just 1 and 423,426, it is not a prime number.