Q: Is 139,791 a Prime Number?
A: No, 139,791 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 139791 can be evenly divided by 1 3 17 51 2,741 8,223 46,597 and 139,791, with no remainder.
Since 139,791 cannot be divided by just 1 and 139,791, it is not a prime number.