Q: Is 102,491 a Prime Number?
A: No, 102,491 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 102491 can be evenly divided by 1 113 907 and 102,491, with no remainder.
Since 102,491 cannot be divided by just 1 and 102,491, it is not a prime number.