The number 6,826,500 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 37 41 45 50 60 74 75 82 90 100 111 123 125 148 150 164 180 185 205 222 225 246 250 300 333 369 370 375 410 444 450 492 500 555 615 666 738 740 750 820 900 925 1,025 1,110 1,125 1,230 1,332 1,476 1,500 1,517 1,665 1,845 1,850 2,050 2,220 2,250 2,460 2,775 3,034 3,075 3,330 3,690 3,700 4,100 4,500 4,551 4,625 5,125 5,550 6,068 6,150 6,660 7,380 7,585 8,325 9,102 9,225 9,250 10,250 11,100 12,300 13,653 13,875 15,170 15,375 16,650 18,204 18,450 18,500 20,500 22,755 27,306 27,750 30,340 30,750 33,300 36,900 37,925 41,625 45,510 46,125 54,612 55,500 61,500 68,265 75,850 83,250 91,020 92,250 113,775 136,530 151,700 166,500 184,500 189,625 227,550 273,060 341,325 379,250 455,100 568,875 682,650 758,500 1,137,750 1,365,300 1,706,625 2,275,500 3,413,250 and 6,826,500, with no remainder.
Since 6,826,500 cannot be divided by just 1 and 6,826,500, it is a composite number.