Q: Is 138,909 a Prime Number?
A: No, 138,909 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 138909 can be evenly divided by 1 3 19 57 2,437 7,311 46,303 and 138,909, with no remainder.
Since 138,909 cannot be divided by just 1 and 138,909, it is not a prime number.