Q: Is 77,139 a Prime Number?
A: No, 77,139 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 77139 can be evenly divided by 1 3 9 27 2,857 8,571 25,713 and 77,139, with no remainder.
Since 77,139 cannot be divided by just 1 and 77,139, it is not a prime number.