Q: Is 21,385 a Composite Number?
A: Yes, 21,385 is a composite number.
The number 21,385 can be evenly divided by 1 5 7 13 35 47 65 91 235 329 455 611 1,645 3,055 4,277 and 21,385, with no remainder.
Since 21,385 cannot be divided by just 1 and 21,385, it is a composite number.