Q: Is 789,123 a Prime Number?
A: No, 789,123 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 789123 can be evenly divided by 1 3 17 51 15,473 46,419 263,041 and 789,123, with no remainder.
Since 789,123 cannot be divided by just 1 and 789,123, it is not a prime number.