Q: Is 423,143 a Prime Number?
A: No, 423,143 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 423143 can be evenly divided by 1 7 60,449 and 423,143, with no remainder.
Since 423,143 cannot be divided by just 1 and 423,143, it is not a prime number.