The number 4,503,600 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 36 40 45 48 50 54 60 72 75 80 81 90 100 108 120 135 139 144 150 162 180 200 216 225 240 270 278 300 324 360 400 405 417 432 450 540 556 600 648 675 695 720 810 834 900 1,080 1,112 1,200 1,251 1,296 1,350 1,390 1,620 1,668 1,800 2,025 2,085 2,160 2,224 2,502 2,700 2,780 3,240 3,336 3,475 3,600 3,753 4,050 4,170 5,004 5,400 5,560 6,255 6,480 6,672 6,950 7,506 8,100 8,340 10,008 10,425 10,800 11,120 11,259 12,510 13,900 15,012 16,200 16,680 18,765 20,016 20,850 22,518 25,020 27,800 30,024 31,275 32,400 33,360 37,530 41,700 45,036 50,040 55,600 56,295 60,048 62,550 75,060 83,400 90,072 93,825 100,080 112,590 125,100 150,120 166,800 180,144 187,650 225,180 250,200 281,475 300,240 375,300 450,360 500,400 562,950 750,600 900,720 1,125,900 1,501,200 2,251,800 and 4,503,600, with no remainder.
Since 4,503,600 cannot be divided by just 1 and 4,503,600, it is a composite number.