Q: Is 125,139 a Prime Number?
A: No, 125,139 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 125139 can be evenly divided by 1 3 7 21 59 101 177 303 413 707 1,239 2,121 5,959 17,877 41,713 and 125,139, with no remainder.
Since 125,139 cannot be divided by just 1 and 125,139, it is not a prime number.