The number 2,449,200 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 39 40 48 50 52 60 65 75 78 80 100 104 120 130 150 156 157 195 200 208 240 260 300 312 314 325 390 400 471 520 600 624 628 650 780 785 942 975 1,040 1,200 1,256 1,300 1,560 1,570 1,884 1,950 2,041 2,355 2,512 2,600 3,120 3,140 3,768 3,900 3,925 4,082 4,710 5,200 6,123 6,280 7,536 7,800 7,850 8,164 9,420 10,205 11,775 12,246 12,560 15,600 15,700 16,328 18,840 20,410 23,550 24,492 30,615 31,400 32,656 37,680 40,820 47,100 48,984 51,025 61,230 62,800 81,640 94,200 97,968 102,050 122,460 153,075 163,280 188,400 204,100 244,920 306,150 408,200 489,840 612,300 816,400 1,224,600 and 2,449,200, with no remainder.
Since 2,449,200 cannot be divided by just 1 and 2,449,200, it is a composite number.