Q: Is 408,408 a Composite Number?

Why is 408,408 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 408,408 can be evenly divided by 1 2 3 4 6 7 8 11 12 13 14 17 21 22 24 26 28 33 34 39 42 44 51 52 56 66 68 77 78 84 88 91 102 104 119 132 136 143 154 156 168 182 187 204 221 231 238 264 273 286 308 312 357 364 374 408 429 442 462 476 546 561 572 616 663 714 728 748 858 884 924 952 1,001 1,092 1,122 1,144 1,309 1,326 1,428 1,496 1,547 1,716 1,768 1,848 2,002 2,184 2,244 2,431 2,618 2,652 2,856 3,003 3,094 3,432 3,927 4,004 4,488 4,641 4,862 5,236 5,304 6,006 6,188 7,293 7,854 8,008 9,282 9,724 10,472 12,012 12,376 14,586 15,708 17,017 18,564 19,448 24,024 29,172 31,416 34,034 37,128 51,051 58,344 68,068 102,102 136,136 204,204 and 408,408, with no remainder.

Since 408,408 cannot be divided by just 1 and 408,408, 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).