Q: Is 138,388 a Prime Number?
A: No, 138,388 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 138388 can be evenly divided by 1 2 4 29 58 116 1,193 2,386 4,772 34,597 69,194 and 138,388, with no remainder.
Since 138,388 cannot be divided by just 1 and 138,388, it is not a prime number.