Q: Is 133,123 a Prime Number?
A: No, 133,123 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 133123 can be evenly divided by 1 239 557 and 133,123, with no remainder.
Since 133,123 cannot be divided by just 1 and 133,123, it is not a prime number.