The number 4,478,400 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 240 288 300 311 320 360 400 450 480 576 600 622 720 800 900 933 960 1,200 1,244 1,440 1,555 1,600 1,800 1,866 2,400 2,488 2,799 2,880 3,110 3,600 3,732 4,665 4,800 4,976 5,598 6,220 7,200 7,464 7,775 9,330 9,952 11,196 12,440 13,995 14,400 14,928 15,550 18,660 19,904 22,392 23,325 24,880 27,990 29,856 31,100 37,320 44,784 46,650 49,760 55,980 59,712 62,200 69,975 74,640 89,568 93,300 99,520 111,960 124,400 139,950 149,280 179,136 186,600 223,920 248,800 279,900 298,560 373,200 447,840 497,600 559,800 746,400 895,680 1,119,600 1,492,800 2,239,200 and 4,478,400, with no remainder.
Since 4,478,400 cannot be divided by just 1 and 4,478,400, it is a composite number.