Q: Is 139,809 a Prime Number?
A: No, 139,809 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 139809 can be evenly divided by 1 3 29 87 1,607 4,821 46,603 and 139,809, with no remainder.
Since 139,809 cannot be divided by just 1 and 139,809, it is not a prime number.