Q: Is 21,267 a Composite Number?
A: Yes, 21,267 is a composite number.
The number 21,267 can be evenly divided by 1 3 9 17 51 139 153 417 1,251 2,363 7,089 and 21,267, with no remainder.
Since 21,267 cannot be divided by just 1 and 21,267, it is a composite number.