Q: Is 2,188,609 a Composite Number?
A: No, 2,188,609 is not a composite number; it is a prime number.
The number 2,188,609 can be evenly divided by 1 and 2,188,609, with no remainder.
Since 2,188,609 can be divided by just 1 and 2,188,609, it is not a composite number.