The number 824,040 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 27 28 30 35 36 40 42 45 54 56 60 63 70 72 84 90 105 108 109 120 126 135 140 168 180 189 210 216 218 252 270 280 315 327 360 378 420 436 504 540 545 630 654 756 763 840 872 945 981 1,080 1,090 1,260 1,308 1,512 1,526 1,635 1,890 1,962 2,180 2,289 2,520 2,616 2,943 3,052 3,270 3,780 3,815 3,924 4,360 4,578 4,905 5,886 6,104 6,540 6,867 7,560 7,630 7,848 9,156 9,810 11,445 11,772 13,080 13,734 14,715 15,260 18,312 19,620 20,601 22,890 23,544 27,468 29,430 30,520 34,335 39,240 41,202 45,780 54,936 58,860 68,670 82,404 91,560 103,005 117,720 137,340 164,808 206,010 274,680 412,020 and 824,040, with no remainder.
Since 824,040 cannot be divided by just 1 and 824,040, it is a composite number.