Q: Is 800,378 a Prime Number?
A: No, 800,378 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 800378 can be evenly divided by 1 2 199 398 2,011 4,022 400,189 and 800,378, with no remainder.
Since 800,378 cannot be divided by just 1 and 800,378, it is not a prime number.