Q: Is 105,309 a Prime Number?
A: No, 105,309 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 105309 can be evenly divided by 1 3 9 11,701 35,103 and 105,309, with no remainder.
Since 105,309 cannot be divided by just 1 and 105,309, it is not a prime number.