Q: Is 21,290 a Composite Number?
A: Yes, 21,290 is a composite number.
The number 21,290 can be evenly divided by 1 2 5 10 2,129 4,258 10,645 and 21,290, with no remainder.
Since 21,290 cannot be divided by just 1 and 21,290, it is a composite number.