Q: Is 121,939 a Prime Number?
A: No, 121,939 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 121939 can be evenly divided by 1 61 1,999 and 121,939, with no remainder.
Since 121,939 cannot be divided by just 1 and 121,939, it is not a prime number.