Q: Is 311,988 a Prime Number?
A: No, 311,988 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 311988 can be evenly divided by 1 2 3 4 6 12 25,999 51,998 77,997 103,996 155,994 and 311,988, with no remainder.
Since 311,988 cannot be divided by just 1 and 311,988, it is not a prime number.