Q: Is 5,420,621 a Composite Number?
A: No, 5,420,621 is not a composite number; it is a prime number.
The number 5,420,621 can be evenly divided by 1 and 5,420,621, with no remainder.
Since 5,420,621 can be divided by just 1 and 5,420,621, it is not a composite number.