The number 2,753,730 can be evenly divided by 1 2 3 5 6 7 9 10 14 15 18 21 27 30 31 35 42 45 47 54 62 63 70 90 93 94 105 126 135 141 155 186 189 210 217 235 270 279 282 310 315 329 378 423 434 465 470 558 630 651 658 705 837 846 930 945 987 1,085 1,269 1,302 1,395 1,410 1,457 1,645 1,674 1,890 1,953 1,974 2,115 2,170 2,538 2,790 2,914 2,961 3,255 3,290 3,906 4,185 4,230 4,371 4,935 5,859 5,922 6,345 6,510 7,285 8,370 8,742 8,883 9,765 9,870 10,199 11,718 12,690 13,113 14,570 14,805 17,766 19,530 20,398 21,855 26,226 29,295 29,610 30,597 39,339 43,710 44,415 50,995 58,590 61,194 65,565 78,678 88,830 91,791 101,990 131,130 152,985 183,582 196,695 275,373 305,970 393,390 458,955 550,746 917,910 1,376,865 and 2,753,730, with no remainder.
Since 2,753,730 cannot be divided by just 1 and 2,753,730, it is a composite number.