Q: Is 491,066 a Prime Number?
A: No, 491,066 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 491066 can be evenly divided by 1 2 245,533 and 491,066, with no remainder.
Since 491,066 cannot be divided by just 1 and 491,066, it is not a prime number.