Q: Is 1,388,993 a Prime Number?
A: No, 1,388,993 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 1388993 can be evenly divided by 1 23 131 461 3,013 10,603 60,391 and 1,388,993, with no remainder.
Since 1,388,993 cannot be divided by just 1 and 1,388,993, it is not a prime number.