Q: Is 121,398 a Prime Number?
A: No, 121,398 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 121398 can be evenly divided by 1 2 3 6 20,233 40,466 60,699 and 121,398, with no remainder.
Since 121,398 cannot be divided by just 1 and 121,398, it is not a prime number.