Q: Is 3,126,509 a Composite Number?
A: No, 3,126,509 is not a composite number; it is a prime number.
The number 3,126,509 can be evenly divided by 1 and 3,126,509, with no remainder.
Since 3,126,509 can be divided by just 1 and 3,126,509, it is not a composite number.