Q: Is 20,865 a Composite Number?
A: Yes, 20,865 is a composite number.
The number 20,865 can be evenly divided by 1 3 5 13 15 39 65 107 195 321 535 1,391 1,605 4,173 6,955 and 20,865, with no remainder.
Since 20,865 cannot be divided by just 1 and 20,865, it is a composite number.