Q: Is 2,521,537 a Composite Number?
A: No, 2,521,537 is not a composite number; it is a prime number.
The number 2,521,537 can be evenly divided by 1 and 2,521,537, with no remainder.
Since 2,521,537 can be divided by just 1 and 2,521,537, it is not a composite number.