Q: Is 21,125 a Composite Number?
A: Yes, 21,125 is a composite number.
The number 21,125 can be evenly divided by 1 5 13 25 65 125 169 325 845 1,625 4,225 and 21,125, with no remainder.
Since 21,125 cannot be divided by just 1 and 21,125, it is a composite number.