The number 1,076,040 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 49 56 60 61 63 70 72 84 90 98 105 120 122 126 140 147 168 180 183 196 210 244 245 252 280 294 305 315 360 366 392 420 427 441 488 490 504 549 588 610 630 732 735 840 854 882 915 980 1,098 1,176 1,220 1,260 1,281 1,464 1,470 1,708 1,764 1,830 1,960 2,135 2,196 2,205 2,440 2,520 2,562 2,745 2,940 2,989 3,416 3,528 3,660 3,843 4,270 4,392 4,410 5,124 5,490 5,880 5,978 6,405 7,320 7,686 8,540 8,820 8,967 10,248 10,980 11,956 12,810 14,945 15,372 17,080 17,640 17,934 19,215 21,960 23,912 25,620 26,901 29,890 30,744 35,868 38,430 44,835 51,240 53,802 59,780 71,736 76,860 89,670 107,604 119,560 134,505 153,720 179,340 215,208 269,010 358,680 538,020 and 1,076,040, with no remainder.
Since 1,076,040 cannot be divided by just 1 and 1,076,040, it is a composite number.