Q: Is 3,645 a Composite Number?
A: Yes, 3,645 is a composite number.
The number 3,645 can be evenly divided by 1 3 5 9 15 27 45 81 135 243 405 729 1,215 and 3,645, with no remainder.
Since 3,645 cannot be divided by just 1 and 3,645, it is a composite number.