Q: Is 311,629 a Prime Number?
A: No, 311,629 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 311629 can be evenly divided by 1 281 1,109 and 311,629, with no remainder.
Since 311,629 cannot be divided by just 1 and 311,629, it is not a prime number.