Q: Is 21,100 a Composite Number?
A: Yes, 21,100 is a composite number.
The number 21,100 can be evenly divided by 1 2 4 5 10 20 25 50 100 211 422 844 1,055 2,110 4,220 5,275 10,550 and 21,100, with no remainder.
Since 21,100 cannot be divided by just 1 and 21,100, it is a composite number.