Q: Is 1,600,631 a Composite Number?
A: No, 1,600,631 is not a composite number; it is a prime number.
The number 1,600,631 can be evenly divided by 1 and 1,600,631, with no remainder.
Since 1,600,631 can be divided by just 1 and 1,600,631, it is not a composite number.