Q: Is 128,809 a Prime Number?
A: No, 128,809 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 128809 can be evenly divided by 1 17 7,577 and 128,809, with no remainder.
Since 128,809 cannot be divided by just 1 and 128,809, it is not a prime number.