The number 2,626,800 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 33 40 44 48 50 55 60 66 75 80 88 100 110 120 132 150 165 176 199 200 220 240 264 275 300 330 398 400 440 528 550 597 600 660 796 825 880 995 1,100 1,194 1,200 1,320 1,592 1,650 1,990 2,189 2,200 2,388 2,640 2,985 3,184 3,300 3,980 4,378 4,400 4,776 4,975 5,970 6,567 6,600 7,960 8,756 9,552 9,950 10,945 11,940 13,134 13,200 14,925 15,920 17,512 19,900 21,890 23,880 26,268 29,850 32,835 35,024 39,800 43,780 47,760 52,536 54,725 59,700 65,670 79,600 87,560 105,072 109,450 119,400 131,340 164,175 175,120 218,900 238,800 262,680 328,350 437,800 525,360 656,700 875,600 1,313,400 and 2,626,800, with no remainder.
Since 2,626,800 cannot be divided by just 1 and 2,626,800, it is a composite number.