Q: Is 3,986,921 a Composite Number?
A: No, 3,986,921 is not a composite number; it is a prime number.
The number 3,986,921 can be evenly divided by 1 and 3,986,921, with no remainder.
Since 3,986,921 can be divided by just 1 and 3,986,921, it is not a composite number.