Q: Is 121,538 a Prime Number?
A: No, 121,538 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 121538 can be evenly divided by 1 2 67 134 907 1,814 60,769 and 121,538, with no remainder.
Since 121,538 cannot be divided by just 1 and 121,538, it is not a prime number.