Q: Is 6,440,543 a Composite Number?
A: No, 6,440,543 is not a composite number; it is a prime number.
The number 6,440,543 can be evenly divided by 1 and 6,440,543, with no remainder.
Since 6,440,543 can be divided by just 1 and 6,440,543, it is not a composite number.