Q: Is 6,420,021 a Composite Number?
A: Yes, 6,420,021 is a composite number.
The number 6,420,021 can be evenly divided by 1 3 2,140,007 and 6,420,021, with no remainder.
Since 6,420,021 cannot be divided by just 1 and 6,420,021, it is a composite number.