Q: Is 423,135 a Prime Number?
A: No, 423,135 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 423135 can be evenly divided by 1 3 5 9 15 45 9,403 28,209 47,015 84,627 141,045 and 423,135, with no remainder.
Since 423,135 cannot be divided by just 1 and 423,135, it is not a prime number.