Q: Is 311,971 a Prime Number?
A: No, 311,971 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 311971 can be evenly divided by 1 11 79 359 869 3,949 28,361 and 311,971, with no remainder.
Since 311,971 cannot be divided by just 1 and 311,971, it is not a prime number.