The number 5,791,800 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 49 50 56 60 70 75 84 98 100 105 120 140 147 150 168 175 196 197 200 210 245 280 294 300 350 392 394 420 490 525 588 591 600 700 735 788 840 980 985 1,050 1,176 1,182 1,225 1,379 1,400 1,470 1,576 1,960 1,970 2,100 2,364 2,450 2,758 2,940 2,955 3,675 3,940 4,137 4,200 4,728 4,900 4,925 5,516 5,880 5,910 6,895 7,350 7,880 8,274 9,653 9,800 9,850 11,032 11,820 13,790 14,700 14,775 16,548 19,306 19,700 20,685 23,640 27,580 28,959 29,400 29,550 33,096 34,475 38,612 39,400 41,370 48,265 55,160 57,918 59,100 68,950 77,224 82,740 96,530 103,425 115,836 118,200 137,900 144,795 165,480 193,060 206,850 231,672 241,325 275,800 289,590 386,120 413,700 482,650 579,180 723,975 827,400 965,300 1,158,360 1,447,950 1,930,600 2,895,900 and 5,791,800, with no remainder.
Since 5,791,800 cannot be divided by just 1 and 5,791,800, it is a composite number.