The number 8,554,896 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 27 28 36 41 42 46 48 54 56 63 69 72 81 82 84 92 108 112 123 126 138 144 161 162 164 168 184 189 207 216 246 252 276 287 322 324 328 336 368 369 378 414 432 483 492 504 552 567 574 621 644 648 656 738 756 828 861 943 966 984 1,008 1,104 1,107 1,134 1,148 1,242 1,288 1,296 1,449 1,476 1,512 1,656 1,722 1,863 1,886 1,932 1,968 2,214 2,268 2,296 2,484 2,576 2,583 2,829 2,898 2,952 3,024 3,312 3,321 3,444 3,726 3,772 3,864 4,347 4,428 4,536 4,592 4,968 5,166 5,658 5,796 5,904 6,601 6,642 6,888 7,452 7,544 7,728 7,749 8,487 8,694 8,856 9,072 9,936 10,332 11,316 11,592 13,041 13,202 13,284 13,776 14,904 15,088 15,498 16,974 17,388 17,712 19,803 20,664 22,632 23,184 23,247 25,461 26,082 26,404 26,568 29,808 30,996 33,948 34,776 39,606 41,328 45,264 46,494 50,922 52,164 52,808 53,136 59,409 61,992 67,896 69,552 76,383 79,212 92,988 101,844 104,328 105,616 118,818 123,984 135,792 152,766 158,424 178,227 185,976 203,688 208,656 237,636 305,532 316,848 356,454 371,952 407,376 475,272 534,681 611,064 712,908 950,544 1,069,362 1,222,128 1,425,816 2,138,724 2,851,632 4,277,448 and 8,554,896, with no remainder.
Since 8,554,896 cannot be divided by just 1 and 8,554,896, it is a composite number.