Q: Is 6,378 a Prime Number?
A: No, 6,378 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 6378 can be evenly divided by 1 2 3 6 1,063 2,126 3,189 and 6,378, with no remainder.
Since 6,378 cannot be divided by just 1 and 6,378, it is not a prime number.