Q: Is 423,455 a Prime Number?
A: No, 423,455 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 423455 can be evenly divided by 1 5 84,691 and 423,455, with no remainder.
Since 423,455 cannot be divided by just 1 and 423,455, it is not a prime number.