The number 6,000,456 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 88 102 119 132 136 154 168 187 191 204 231 238 264 308 357 374 382 408 462 476 561 573 616 714 748 764 924 952 1,122 1,146 1,309 1,337 1,428 1,496 1,528 1,848 2,101 2,244 2,292 2,618 2,674 2,856 3,247 3,927 4,011 4,202 4,488 4,584 5,236 5,348 6,303 6,494 7,854 8,022 8,404 9,741 10,472 10,696 12,606 12,988 14,707 15,708 16,044 16,808 19,482 22,729 25,212 25,976 29,414 31,416 32,088 35,717 38,964 44,121 45,458 50,424 58,828 68,187 71,434 77,928 88,242 90,916 107,151 117,656 136,374 142,868 176,484 181,832 214,302 250,019 272,748 285,736 352,968 428,604 500,038 545,496 750,057 857,208 1,000,076 1,500,114 2,000,152 3,000,228 and 6,000,456, with no remainder.
Since 6,000,456 cannot be divided by just 1 and 6,000,456, it is a composite number.