Q: Is 20,408 a Composite Number?
A: Yes, 20,408 is a composite number.
The number 20,408 can be evenly divided by 1 2 4 8 2,551 5,102 10,204 and 20,408, with no remainder.
Since 20,408 cannot be divided by just 1 and 20,408, it is a composite number.