Q: Is 345,168 a Composite Number?

Why is 345,168 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 345,168 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 24 27 34 36 47 48 51 54 68 72 94 102 108 136 141 144 153 188 204 216 272 282 306 376 408 423 432 459 564 612 752 799 816 846 918 1,128 1,224 1,269 1,598 1,692 1,836 2,256 2,397 2,448 2,538 3,196 3,384 3,672 4,794 5,076 6,392 6,768 7,191 7,344 9,588 10,152 12,784 14,382 19,176 20,304 21,573 28,764 38,352 43,146 57,528 86,292 115,056 172,584 and 345,168, with no remainder.

Since 345,168 cannot be divided by just 1 and 345,168, 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).