Q: Is 21,330 a Composite Number?
A: Yes, 21,330 is a composite number.
The number 21,330 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 79 90 135 158 237 270 395 474 711 790 1,185 1,422 2,133 2,370 3,555 4,266 7,110 10,665 and 21,330, with no remainder.
Since 21,330 cannot be divided by just 1 and 21,330, it is a composite number.