Q: Is 2,331 a Prime Number?
A: No, 2,331 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 2331 can be evenly divided by 1 3 7 9 21 37 63 111 259 333 777 and 2,331, with no remainder.
Since 2,331 cannot be divided by just 1 and 2,331, it is not a prime number.