Q: Is 331,089 a Prime Number?
A: No, 331,089 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 331089 can be evenly divided by 1 3 11 33 79 127 237 381 869 1,397 2,607 4,191 10,033 30,099 110,363 and 331,089, with no remainder.
Since 331,089 cannot be divided by just 1 and 331,089, it is not a prime number.