Q: Is 378,855 a Prime Number?
A: No, 378,855 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 378855 can be evenly divided by 1 3 5 9 15 45 8,419 25,257 42,095 75,771 126,285 and 378,855, with no remainder.
Since 378,855 cannot be divided by just 1 and 378,855, it is not a prime number.