Q: Is 1,581,367 a Composite Number?
A: No, 1,581,367 is not a composite number; it is a prime number.
The number 1,581,367 can be evenly divided by 1 and 1,581,367, with no remainder.
Since 1,581,367 can be divided by just 1 and 1,581,367, it is not a composite number.