Q: Is 426,123 a Prime Number?
A: No, 426,123 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 426123 can be evenly divided by 1 3 9 113 339 419 1,017 1,257 3,771 47,347 142,041 and 426,123, with no remainder.
Since 426,123 cannot be divided by just 1 and 426,123, it is not a prime number.