Q: Is 1,561,066 a Composite Number?
A: Yes, 1,561,066 is a composite number.
The number 1,561,066 can be evenly divided by 1 2 13 26 60,041 120,082 780,533 and 1,561,066, with no remainder.
Since 1,561,066 cannot be divided by just 1 and 1,561,066, it is a composite number.