Q: Is 815,985 a Prime Number?
A: No, 815,985 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 815985 can be evenly divided by 1 3 5 9 15 45 18,133 54,399 90,665 163,197 271,995 and 815,985, with no remainder.
Since 815,985 cannot be divided by just 1 and 815,985, it is not a prime number.