Q: Is 138,305 a Prime Number?
A: No, 138,305 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 138305 can be evenly divided by 1 5 139 199 695 995 27,661 and 138,305, with no remainder.
Since 138,305 cannot be divided by just 1 and 138,305, it is not a prime number.