Q: Is 378,434 a Prime Number?
A: No, 378,434 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 378434 can be evenly divided by 1 2 7 14 27,031 54,062 189,217 and 378,434, with no remainder.
Since 378,434 cannot be divided by just 1 and 378,434, it is not a prime number.