Q: Is 8,581 a Prime Number?
A: Yes, 8,581 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8581 can be evenly divided by 1 and 8,581, with no remainder.
Since 8,581 can be divided by just 1 and 8,581, it is a prime number.