Q: Is 423,138 a Prime Number?
A: No, 423,138 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 423138 can be evenly divided by 1 2 3 6 109 218 327 647 654 1,294 1,941 3,882 70,523 141,046 211,569 and 423,138, with no remainder.
Since 423,138 cannot be divided by just 1 and 423,138, it is not a prime number.