Q: Is 1,004,378 a Prime Number?
A: No, 1,004,378 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 1004378 can be evenly divided by 1 2 19 38 26,431 52,862 502,189 and 1,004,378, with no remainder.
Since 1,004,378 cannot be divided by just 1 and 1,004,378, it is not a prime number.