Q: Is 345,576 a Composite Number?

Why is 345,576 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 345,576 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 17 21 22 24 28 33 34 42 44 51 56 66 68 77 84 88 102 119 121 132 136 154 168 187 204 231 238 242 264 308 357 363 374 408 462 476 484 561 616 714 726 748 847 924 952 968 1,122 1,309 1,428 1,452 1,496 1,694 1,848 2,057 2,244 2,541 2,618 2,856 2,904 3,388 3,927 4,114 4,488 5,082 5,236 6,171 6,776 7,854 8,228 10,164 10,472 12,342 14,399 15,708 16,456 20,328 24,684 28,798 31,416 43,197 49,368 57,596 86,394 115,192 172,788 and 345,576, with no remainder.

Since 345,576 cannot be divided by just 1 and 345,576, 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).