Q: Is 121,790 a Prime Number?
A: No, 121,790 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 121790 can be evenly divided by 1 2 5 10 19 38 95 190 641 1,282 3,205 6,410 12,179 24,358 60,895 and 121,790, with no remainder.
Since 121,790 cannot be divided by just 1 and 121,790, it is not a prime number.