Q: Is 21,340 a Composite Number?
A: Yes, 21,340 is a composite number.
The number 21,340 can be evenly divided by 1 2 4 5 10 11 20 22 44 55 97 110 194 220 388 485 970 1,067 1,940 2,134 4,268 5,335 10,670 and 21,340, with no remainder.
Since 21,340 cannot be divided by just 1 and 21,340, it is a composite number.