Q: Is 3,977,421 a Composite Number?
A: Yes, 3,977,421 is a composite number.
The number 3,977,421 can be evenly divided by 1 3 7 21 189,401 568,203 1,325,807 and 3,977,421, with no remainder.
Since 3,977,421 cannot be divided by just 1 and 3,977,421, it is a composite number.