Q: Is 139,688 a Prime Number?
A: No, 139,688 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 139688 can be evenly divided by 1 2 4 8 19 38 76 152 919 1,838 3,676 7,352 17,461 34,922 69,844 and 139,688, with no remainder.
Since 139,688 cannot be divided by just 1 and 139,688, it is not a prime number.