Q: Is 121,888 a Prime Number?
A: No, 121,888 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 121888 can be evenly divided by 1 2 4 8 13 16 26 32 52 104 208 293 416 586 1,172 2,344 3,809 4,688 7,618 9,376 15,236 30,472 60,944 and 121,888, with no remainder.
Since 121,888 cannot be divided by just 1 and 121,888, it is not a prime number.