Q: Is 20,565 a Composite Number?
A: Yes, 20,565 is a composite number.
The number 20,565 can be evenly divided by 1 3 5 9 15 45 457 1,371 2,285 4,113 6,855 and 20,565, with no remainder.
Since 20,565 cannot be divided by just 1 and 20,565, it is a composite number.