Q: Is 121,598 a Prime Number?
A: No, 121,598 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 121598 can be evenly divided by 1 2 163 326 373 746 60,799 and 121,598, with no remainder.
Since 121,598 cannot be divided by just 1 and 121,598, it is not a prime number.