Q: Is 21,488 a Composite Number?
A: Yes, 21,488 is a composite number.
The number 21,488 can be evenly divided by 1 2 4 8 16 17 34 68 79 136 158 272 316 632 1,264 1,343 2,686 5,372 10,744 and 21,488, with no remainder.
Since 21,488 cannot be divided by just 1 and 21,488, it is a composite number.