Q: Is 135,621 a Composite Number?
A: Yes, 135,621 is a composite number.
The number 135,621 can be evenly divided by 1 3 9 27 5,023 15,069 45,207 and 135,621, with no remainder.
Since 135,621 cannot be divided by just 1 and 135,621, it is a composite number.