Q: Is 2,561,243 a Composite Number?
A: Yes, 2,561,243 is a composite number.
The number 2,561,243 can be evenly divided by 1 1,289 1,987 and 2,561,243, with no remainder.
Since 2,561,243 cannot be divided by just 1 and 2,561,243, it is a composite number.