Q: Is 10,521 a Composite Number?
A: Yes, 10,521 is a composite number.
The number 10,521 can be evenly divided by 1 3 7 9 21 63 167 501 1,169 1,503 3,507 and 10,521, with no remainder.
Since 10,521 cannot be divided by just 1 and 10,521, it is a composite number.