Q: Is 378,507 a Prime Number?
A: No, 378,507 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 378507 can be evenly divided by 1 3 281 449 843 1,347 126,169 and 378,507, with no remainder.
Since 378,507 cannot be divided by just 1 and 378,507, it is not a prime number.