The number 7,540,680 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 47 56 60 70 84 94 105 120 140 141 168 188 191 210 235 280 282 329 376 382 420 470 564 573 658 705 764 840 940 955 987 1,128 1,146 1,316 1,337 1,410 1,528 1,645 1,880 1,910 1,974 2,292 2,632 2,674 2,820 2,865 3,290 3,820 3,948 4,011 4,584 4,935 5,348 5,640 5,730 6,580 6,685 7,640 7,896 8,022 8,977 9,870 10,696 11,460 13,160 13,370 16,044 17,954 19,740 20,055 22,920 26,740 26,931 32,088 35,908 39,480 40,110 44,885 53,480 53,862 62,839 71,816 80,220 89,770 107,724 125,678 134,655 160,440 179,540 188,517 215,448 251,356 269,310 314,195 359,080 377,034 502,712 538,620 628,390 754,068 942,585 1,077,240 1,256,780 1,508,136 1,885,170 2,513,560 3,770,340 and 7,540,680, with no remainder.
Since 7,540,680 cannot be divided by just 1 and 7,540,680, it is a composite number.