Q: Is 2,178,619 a Composite Number?
A: No, 2,178,619 is not a composite number; it is a prime number.
The number 2,178,619 can be evenly divided by 1 and 2,178,619, with no remainder.
Since 2,178,619 can be divided by just 1 and 2,178,619, it is not a composite number.