Q: Is 491,618 a Prime Number?
A: No, 491,618 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 491618 can be evenly divided by 1 2 409 601 818 1,202 245,809 and 491,618, with no remainder.
Since 491,618 cannot be divided by just 1 and 491,618, it is not a prime number.