Q: Is 21,189 a Composite Number?
A: Yes, 21,189 is a composite number.
The number 21,189 can be evenly divided by 1 3 7 21 1,009 3,027 7,063 and 21,189, with no remainder.
Since 21,189 cannot be divided by just 1 and 21,189, it is a composite number.