Q: Is 605,109 a Prime Number?
A: No, 605,109 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 605109 can be evenly divided by 1 3 401 503 1,203 1,509 201,703 and 605,109, with no remainder.
Since 605,109 cannot be divided by just 1 and 605,109, it is not a prime number.