The number 4,919,040 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 61 63 64 70 72 80 84 90 96 105 112 120 122 126 128 140 144 160 168 180 183 192 210 224 240 244 252 256 280 288 305 315 320 336 360 366 384 420 427 448 480 488 504 549 560 576 610 630 640 672 720 732 768 840 854 896 915 960 976 1,008 1,098 1,120 1,152 1,220 1,260 1,280 1,281 1,344 1,440 1,464 1,680 1,708 1,792 1,830 1,920 1,952 2,016 2,135 2,196 2,240 2,304 2,440 2,520 2,562 2,688 2,745 2,880 2,928 3,360 3,416 3,660 3,840 3,843 3,904 4,032 4,270 4,392 4,480 4,880 5,040 5,124 5,376 5,490 5,760 5,856 6,405 6,720 6,832 7,320 7,686 7,808 8,064 8,540 8,784 8,960 9,760 10,080 10,248 10,980 11,520 11,712 12,810 13,440 13,664 14,640 15,372 15,616 16,128 17,080 17,568 19,215 19,520 20,160 20,496 21,960 23,424 25,620 26,880 27,328 29,280 30,744 34,160 35,136 38,430 39,040 40,320 40,992 43,920 46,848 51,240 54,656 58,560 61,488 68,320 70,272 76,860 78,080 80,640 81,984 87,840 102,480 109,312 117,120 122,976 136,640 140,544 153,720 163,968 175,680 204,960 234,240 245,952 273,280 307,440 327,936 351,360 409,920 491,904 546,560 614,880 702,720 819,840 983,808 1,229,760 1,639,680 2,459,520 and 4,919,040, with no remainder.
Since 4,919,040 cannot be divided by just 1 and 4,919,040, it is a composite number.