Q: Is 138,879 a Prime Number?
A: No, 138,879 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 138879 can be evenly divided by 1 3 9 13 39 117 1,187 3,561 10,683 15,431 46,293 and 138,879, with no remainder.
Since 138,879 cannot be divided by just 1 and 138,879, it is not a prime number.