Q: Is 1,561,159 a Composite Number?
A: No, 1,561,159 is not a composite number; it is a prime number.
The number 1,561,159 can be evenly divided by 1 and 1,561,159, with no remainder.
Since 1,561,159 can be divided by just 1 and 1,561,159, it is not a composite number.