Q: Is 139,311 a Prime Number?
A: No, 139,311 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 139311 can be evenly divided by 1 3 9 23 69 207 673 2,019 6,057 15,479 46,437 and 139,311, with no remainder.
Since 139,311 cannot be divided by just 1 and 139,311, it is not a prime number.