Q: Is 123 a Prime Number?
A: No, 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 123 can be evenly divided by 1 3 41 and 123, with no remainder.
Since 123 cannot be divided by just 1 and 123, it is not a prime number.