Q: Is 378,618 a Prime Number?
A: No, 378,618 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 378618 can be evenly divided by 1 2 3 6 63,103 126,206 189,309 and 378,618, with no remainder.
Since 378,618 cannot be divided by just 1 and 378,618, it is not a prime number.