Q: Is 378,489 a Prime Number?
A: No, 378,489 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 378489 can be evenly divided by 1 3 79 237 1,597 4,791 126,163 and 378,489, with no remainder.
Since 378,489 cannot be divided by just 1 and 378,489, it is not a prime number.