Q: Is 6,378,217 a Prime Number?
A: Yes, 6,378,217 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 6378217 can be evenly divided by 1 and 6,378,217, with no remainder.
Since 6,378,217 can be divided by just 1 and 6,378,217, it is a prime number.