Q: Is 311,981 a Prime Number?
A: Yes, 311,981 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 311981 can be evenly divided by 1 and 311,981, with no remainder.
Since 311,981 can be divided by just 1 and 311,981, it is a prime number.