The number 5,815,600 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 25 28 31 35 40 50 56 62 67 70 80 100 112 124 134 140 155 175 200 217 248 268 280 310 335 350 400 434 469 496 536 560 620 670 700 775 868 938 1,072 1,085 1,240 1,340 1,400 1,550 1,675 1,736 1,876 2,077 2,170 2,345 2,480 2,680 2,800 3,100 3,350 3,472 3,752 4,154 4,340 4,690 5,360 5,425 6,200 6,700 7,504 8,308 8,680 9,380 10,385 10,850 11,725 12,400 13,400 14,539 16,616 17,360 18,760 20,770 21,700 23,450 26,800 29,078 33,232 37,520 41,540 43,400 46,900 51,925 58,156 72,695 83,080 86,800 93,800 103,850 116,312 145,390 166,160 187,600 207,700 232,624 290,780 363,475 415,400 581,560 726,950 830,800 1,163,120 1,453,900 2,907,800 and 5,815,600, with no remainder.
Since 5,815,600 cannot be divided by just 1 and 5,815,600, it is a composite number.