Q: Is 105,815 a Prime Number?
A: No, 105,815 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 105815 can be evenly divided by 1 5 21,163 and 105,815, with no remainder.
Since 105,815 cannot be divided by just 1 and 105,815, it is not a prime number.