Q: Is 423,057 a Prime Number?
A: No, 423,057 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 423057 can be evenly divided by 1 3 31 93 4,549 13,647 141,019 and 423,057, with no remainder.
Since 423,057 cannot be divided by just 1 and 423,057, it is not a prime number.