Q: Is 3,558,221 a Composite Number?
A: No, 3,558,221 is not a composite number; it is a prime number.
The number 3,558,221 can be evenly divided by 1 and 3,558,221, with no remainder.
Since 3,558,221 can be divided by just 1 and 3,558,221, it is not a composite number.