Q: Is 101,243 a Prime Number?
A: No, 101,243 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 101243 can be evenly divided by 1 137 739 and 101,243, with no remainder.
Since 101,243 cannot be divided by just 1 and 101,243, it is not a prime number.