Q: Is 491,399 a Prime Number?
A: No, 491,399 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 491399 can be evenly divided by 1 241 2,039 and 491,399, with no remainder.
Since 491,399 cannot be divided by just 1 and 491,399, it is not a prime number.