Q: Is 815 a Prime Number?
A: No, 815 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 815 can be evenly divided by 1 5 163 and 815, with no remainder.
Since 815 cannot be divided by just 1 and 815, it is not a prime number.