Q: Is 1,388,109 a Prime Number?
A: No, 1,388,109 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 1388109 can be evenly divided by 1 3 79 237 5,857 17,571 462,703 and 1,388,109, with no remainder.
Since 1,388,109 cannot be divided by just 1 and 1,388,109, it is not a prime number.