Q: Is 423,318 a Prime Number?
A: No, 423,318 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 423318 can be evenly divided by 1 2 3 6 7 14 21 42 10,079 20,158 30,237 60,474 70,553 141,106 211,659 and 423,318, with no remainder.
Since 423,318 cannot be divided by just 1 and 423,318, it is not a prime number.