Q: Is 121,209 a Prime Number?
A: No, 121,209 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 121209 can be evenly divided by 1 3 11 33 3,673 11,019 40,403 and 121,209, with no remainder.
Since 121,209 cannot be divided by just 1 and 121,209, it is not a prime number.