The number 8,484,840 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 35 36 37 39 40 42 45 49 52 56 60 63 65 70 72 74 78 84 90 91 98 104 105 111 117 120 126 130 140 147 148 156 168 180 182 185 195 196 210 222 234 245 252 259 260 273 280 294 296 312 315 333 360 364 370 390 392 420 441 444 455 468 481 490 504 518 520 546 555 585 588 630 637 666 728 735 740 777 780 819 840 882 888 910 936 962 980 1,036 1,092 1,110 1,170 1,176 1,260 1,274 1,295 1,332 1,365 1,443 1,470 1,480 1,554 1,560 1,638 1,665 1,764 1,813 1,820 1,911 1,924 1,960 2,072 2,184 2,205 2,220 2,331 2,340 2,405 2,520 2,548 2,590 2,664 2,730 2,886 2,940 3,108 3,185 3,276 3,330 3,367 3,528 3,626 3,640 3,822 3,848 3,885 4,095 4,329 4,410 4,440 4,662 4,680 4,810 5,096 5,180 5,439 5,460 5,733 5,772 5,880 6,216 6,370 6,552 6,660 6,734 7,215 7,252 7,644 7,770 8,190 8,658 8,820 9,065 9,324 9,555 9,620 10,101 10,360 10,878 10,920 11,466 11,544 11,655 12,740 13,320 13,468 14,430 14,504 15,288 15,540 16,317 16,380 16,835 17,316 17,640 18,130 18,648 19,110 19,240 20,202 21,645 21,756 22,932 23,310 23,569 25,480 26,936 27,195 28,665 28,860 30,303 31,080 32,634 32,760 33,670 34,632 36,260 38,220 40,404 43,290 43,512 45,864 46,620 47,138 50,505 54,390 57,330 57,720 60,606 65,268 67,340 70,707 72,520 76,440 80,808 81,585 86,580 93,240 94,276 101,010 108,780 114,660 117,845 121,212 130,536 134,680 141,414 151,515 163,170 173,160 188,552 202,020 212,121 217,560 229,320 235,690 242,424 282,828 303,030 326,340 353,535 404,040 424,242 471,380 565,656 606,060 652,680 707,070 848,484 942,760 1,060,605 1,212,120 1,414,140 1,696,968 2,121,210 2,828,280 4,242,420 and 8,484,840, with no remainder.
Since 8,484,840 cannot be divided by just 1 and 8,484,840, it is a composite number.