Q: Is 139,685 a Prime Number?
A: No, 139,685 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 139685 can be evenly divided by 1 5 7 13 35 65 91 307 455 1,535 2,149 3,991 10,745 19,955 27,937 and 139,685, with no remainder.
Since 139,685 cannot be divided by just 1 and 139,685, it is not a prime number.