Q: Is 81,489 a Prime Number?
A: No, 81,489 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 81489 can be evenly divided by 1 3 23 69 1,181 3,543 27,163 and 81,489, with no remainder.
Since 81,489 cannot be divided by just 1 and 81,489, it is not a prime number.