Q: Is 21,066 a Composite Number?
A: Yes, 21,066 is a composite number.
The number 21,066 can be evenly divided by 1 2 3 6 3,511 7,022 10,533 and 21,066, with no remainder.
Since 21,066 cannot be divided by just 1 and 21,066, it is a composite number.