Q: Is 21,808 a Composite Number?
A: Yes, 21,808 is a composite number.
The number 21,808 can be evenly divided by 1 2 4 8 16 29 47 58 94 116 188 232 376 464 752 1,363 2,726 5,452 10,904 and 21,808, with no remainder.
Since 21,808 cannot be divided by just 1 and 21,808, it is a composite number.