Q: Is 4,143,421 a Composite Number?
A: No, 4,143,421 is not a composite number; it is a prime number.
The number 4,143,421 can be evenly divided by 1 and 4,143,421, with no remainder.
Since 4,143,421 can be divided by just 1 and 4,143,421, it is not a composite number.