Q: Is 129,168 a Composite Number?

Why is 129,168 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 129,168 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 23 24 26 27 36 39 46 48 52 54 69 72 78 92 104 108 117 138 144 156 184 207 208 216 234 276 299 312 351 368 414 432 468 552 598 621 624 702 828 897 936 1,104 1,196 1,242 1,404 1,656 1,794 1,872 2,392 2,484 2,691 2,808 3,312 3,588 4,784 4,968 5,382 5,616 7,176 8,073 9,936 10,764 14,352 16,146 21,528 32,292 43,056 64,584 and 129,168, with no remainder.

Since 129,168 cannot be divided by just 1 and 129,168, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).