Q: Is 126,123 a Prime Number?
A: No, 126,123 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 126123 can be evenly divided by 1 3 17 51 2,473 7,419 42,041 and 126,123, with no remainder.
Since 126,123 cannot be divided by just 1 and 126,123, it is not a prime number.