Q: Is 139,961 a Prime Number?
A: No, 139,961 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 139961 can be evenly divided by 1 17 8,233 and 139,961, with no remainder.
Since 139,961 cannot be divided by just 1 and 139,961, it is not a prime number.