Q: Is 1,200,618 a Prime Number?
A: No, 1,200,618 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 1200618 can be evenly divided by 1 2 3 6 9 18 66,701 133,402 200,103 400,206 600,309 and 1,200,618, with no remainder.
Since 1,200,618 cannot be divided by just 1 and 1,200,618, it is not a prime number.