Q: Is 139,239 a Prime Number?
A: No, 139,239 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 139239 can be evenly divided by 1 3 9 27 81 191 243 573 729 1,719 5,157 15,471 46,413 and 139,239, with no remainder.
Since 139,239 cannot be divided by just 1 and 139,239, it is not a prime number.