Q: Is 21,742 a Composite Number?
A: Yes, 21,742 is a composite number.
The number 21,742 can be evenly divided by 1 2 7 14 1,553 3,106 10,871 and 21,742, with no remainder.
Since 21,742 cannot be divided by just 1 and 21,742, it is a composite number.