Q: Is 105,243 a Prime Number?
A: No, 105,243 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 105243 can be evenly divided by 1 3 35,081 and 105,243, with no remainder.
Since 105,243 cannot be divided by just 1 and 105,243, it is not a prime number.