Q: Is 121,258 a Prime Number?
A: No, 121,258 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 121258 can be evenly divided by 1 2 19 38 3,191 6,382 60,629 and 121,258, with no remainder.
Since 121,258 cannot be divided by just 1 and 121,258, it is not a prime number.