The number 5,272,800 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 65 75 78 80 96 100 104 120 130 150 156 160 169 195 200 208 240 260 300 312 325 338 390 400 416 480 507 520 600 624 650 676 780 800 845 975 1,014 1,040 1,200 1,248 1,300 1,352 1,560 1,690 1,950 2,028 2,080 2,197 2,400 2,535 2,600 2,704 3,120 3,380 3,900 4,056 4,225 4,394 5,070 5,200 5,408 6,240 6,591 6,760 7,800 8,112 8,450 8,788 10,140 10,400 10,985 12,675 13,182 13,520 15,600 16,224 16,900 17,576 20,280 21,970 25,350 26,364 27,040 31,200 32,955 33,800 35,152 40,560 43,940 50,700 52,728 54,925 65,910 67,600 70,304 81,120 87,880 101,400 105,456 109,850 131,820 135,200 164,775 175,760 202,800 210,912 219,700 263,640 329,550 351,520 405,600 439,400 527,280 659,100 878,800 1,054,560 1,318,200 1,757,600 2,636,400 and 5,272,800, with no remainder.
Since 5,272,800 cannot be divided by just 1 and 5,272,800, it is a composite number.