Q: Is 311,979 a Prime Number?
A: No, 311,979 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 311979 can be evenly divided by 1 3 103,993 and 311,979, with no remainder.
Since 311,979 cannot be divided by just 1 and 311,979, it is not a prime number.