The number 2,622,760 can be evenly divided by 1 2 4 5 7 8 10 14 17 19 20 28 29 34 35 38 40 56 58 68 70 76 85 95 116 119 133 136 140 145 152 170 190 203 232 238 266 280 290 323 340 380 406 476 493 532 551 580 595 646 665 680 760 812 952 986 1,015 1,064 1,102 1,160 1,190 1,292 1,330 1,615 1,624 1,972 2,030 2,204 2,261 2,380 2,465 2,584 2,660 2,755 3,230 3,451 3,857 3,944 4,060 4,408 4,522 4,760 4,930 5,320 5,510 6,460 6,902 7,714 8,120 9,044 9,367 9,860 11,020 11,305 12,920 13,804 15,428 17,255 18,088 18,734 19,285 19,720 22,040 22,610 27,608 30,856 34,510 37,468 38,570 45,220 46,835 65,569 69,020 74,936 77,140 90,440 93,670 131,138 138,040 154,280 187,340 262,276 327,845 374,680 524,552 655,690 1,311,380 and 2,622,760, with no remainder.
Since 2,622,760 cannot be divided by just 1 and 2,622,760, it is a composite number.