Q: Is 10,491 a Prime Number?
A: No, 10,491 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 10491 can be evenly divided by 1 3 13 39 269 807 3,497 and 10,491, with no remainder.
Since 10,491 cannot be divided by just 1 and 10,491, it is not a prime number.