Q: Is 331,998 a Prime Number?
A: No, 331,998 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 331998 can be evenly divided by 1 2 3 6 55,333 110,666 165,999 and 331,998, with no remainder.
Since 331,998 cannot be divided by just 1 and 331,998, it is not a prime number.