Q: Is 4,571,891 a Composite Number?
A: No, 4,571,891 is not a composite number; it is a prime number.
The number 4,571,891 can be evenly divided by 1 and 4,571,891, with no remainder.
Since 4,571,891 can be divided by just 1 and 4,571,891, it is not a composite number.