The number 2,203,200 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 27 30 32 34 36 40 45 48 50 51 54 60 64 68 72 75 80 81 85 90 96 100 102 108 120 135 136 144 150 153 160 162 170 180 192 200 204 216 225 240 255 270 272 288 300 306 320 324 340 360 400 405 408 425 432 450 459 480 510 540 544 576 600 612 648 675 680 720 765 800 810 816 850 864 900 918 960 1,020 1,080 1,088 1,200 1,224 1,275 1,296 1,350 1,360 1,377 1,440 1,530 1,600 1,620 1,632 1,700 1,728 1,800 1,836 2,025 2,040 2,160 2,295 2,400 2,448 2,550 2,592 2,700 2,720 2,754 2,880 3,060 3,240 3,264 3,400 3,600 3,672 3,825 4,050 4,080 4,320 4,590 4,800 4,896 5,100 5,184 5,400 5,440 5,508 6,120 6,480 6,800 6,885 7,200 7,344 7,650 8,100 8,160 8,640 9,180 9,792 10,200 10,800 11,016 11,475 12,240 12,960 13,600 13,770 14,400 14,688 15,300 16,200 16,320 18,360 20,400 21,600 22,032 22,950 24,480 25,920 27,200 27,540 29,376 30,600 32,400 34,425 36,720 40,800 43,200 44,064 45,900 48,960 55,080 61,200 64,800 68,850 73,440 81,600 88,128 91,800 110,160 122,400 129,600 137,700 146,880 183,600 220,320 244,800 275,400 367,200 440,640 550,800 734,400 1,101,600 and 2,203,200, with no remainder.
Since 2,203,200 cannot be divided by just 1 and 2,203,200, it is a composite number.