Q: Is 105,805 a Prime Number?
A: No, 105,805 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 105805 can be evenly divided by 1 5 7 35 3,023 15,115 21,161 and 105,805, with no remainder.
Since 105,805 cannot be divided by just 1 and 105,805, it is not a prime number.