Q: Is 218,618 a Prime Number?
A: No, 218,618 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 218618 can be evenly divided by 1 2 281 389 562 778 109,309 and 218,618, with no remainder.
Since 218,618 cannot be divided by just 1 and 218,618, it is not a prime number.