Q: Is 491,813 a Prime Number?
A: No, 491,813 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 491813 can be evenly divided by 1 7 49 10,037 70,259 and 491,813, with no remainder.
Since 491,813 cannot be divided by just 1 and 491,813, it is not a prime number.