Q: Is 21,940 a Composite Number?
A: Yes, 21,940 is a composite number.
The number 21,940 can be evenly divided by 1 2 4 5 10 20 1,097 2,194 4,388 5,485 10,970 and 21,940, with no remainder.
Since 21,940 cannot be divided by just 1 and 21,940, it is a composite number.