Q: Is 6,721,381 a Composite Number?
A: No, 6,721,381 is not a composite number; it is a prime number.
The number 6,721,381 can be evenly divided by 1 and 6,721,381, with no remainder.
Since 6,721,381 can be divided by just 1 and 6,721,381, it is not a composite number.