Q: Is 2,561,873 a Composite Number?
A: No, 2,561,873 is not a composite number; it is a prime number.
The number 2,561,873 can be evenly divided by 1 and 2,561,873, with no remainder.
Since 2,561,873 can be divided by just 1 and 2,561,873, it is not a composite number.