Q: Is 378,435 a Prime Number?
A: No, 378,435 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 378435 can be evenly divided by 1 3 5 15 25,229 75,687 126,145 and 378,435, with no remainder.
Since 378,435 cannot be divided by just 1 and 378,435, it is not a prime number.