The number 9,044,280 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 37 40 42 45 56 60 63 70 72 74 84 90 97 105 111 120 126 140 148 168 180 185 194 210 222 252 259 280 291 296 315 333 360 370 388 420 444 485 504 518 555 582 630 666 679 740 776 777 840 873 888 970 1,036 1,110 1,164 1,260 1,295 1,332 1,358 1,455 1,480 1,554 1,665 1,746 1,940 2,037 2,072 2,220 2,328 2,331 2,520 2,590 2,664 2,716 2,910 3,108 3,330 3,395 3,492 3,589 3,880 3,885 4,074 4,365 4,440 4,662 5,180 5,432 5,820 6,111 6,216 6,660 6,790 6,984 7,178 7,770 8,148 8,730 9,324 10,185 10,360 10,767 11,640 11,655 12,222 13,320 13,580 14,356 15,540 16,296 17,460 17,945 18,648 20,370 21,534 23,310 24,444 25,123 27,160 28,712 30,555 31,080 32,301 34,920 35,890 40,740 43,068 46,620 48,888 50,246 53,835 61,110 64,602 71,780 75,369 81,480 86,136 93,240 100,492 107,670 122,220 125,615 129,204 143,560 150,738 161,505 200,984 215,340 226,107 244,440 251,230 258,408 301,476 323,010 376,845 430,680 452,214 502,460 602,952 646,020 753,690 904,428 1,004,920 1,130,535 1,292,040 1,507,380 1,808,856 2,261,070 3,014,760 4,522,140 and 9,044,280, with no remainder.
Since 9,044,280 cannot be divided by just 1 and 9,044,280, it is a composite number.