Q: Is 121,103 a Prime Number?
A: No, 121,103 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 121103 can be evenly divided by 1 347 349 and 121,103, with no remainder.
Since 121,103 cannot be divided by just 1 and 121,103, it is not a prime number.