Q: Is 20,805 a Composite Number?
A: Yes, 20,805 is a composite number.
The number 20,805 can be evenly divided by 1 3 5 15 19 57 73 95 219 285 365 1,095 1,387 4,161 6,935 and 20,805, with no remainder.
Since 20,805 cannot be divided by just 1 and 20,805, it is a composite number.