Q: Is 138,939 a Prime Number?
A: No, 138,939 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 138939 can be evenly divided by 1 3 29 87 1,597 4,791 46,313 and 138,939, with no remainder.
Since 138,939 cannot be divided by just 1 and 138,939, it is not a prime number.