Q: Is 21,624 a Composite Number?
A: Yes, 21,624 is a composite number.
The number 21,624 can be evenly divided by 1 2 3 4 6 8 12 17 24 34 51 53 68 102 106 136 159 204 212 318 408 424 636 901 1,272 1,802 2,703 3,604 5,406 7,208 10,812 and 21,624, with no remainder.
Since 21,624 cannot be divided by just 1 and 21,624, it is a composite number.