Q: Is 121,805 a Prime Number?
A: No, 121,805 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 121805 can be evenly divided by 1 5 17 85 1,433 7,165 24,361 and 121,805, with no remainder.
Since 121,805 cannot be divided by just 1 and 121,805, it is not a prime number.