The number 2,720,760 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 41 42 56 60 70 79 82 84 105 120 123 140 158 164 168 205 210 237 246 280 287 316 328 395 410 420 474 492 553 574 615 632 790 820 840 861 948 984 1,106 1,148 1,185 1,230 1,435 1,580 1,640 1,659 1,722 1,896 2,212 2,296 2,370 2,460 2,765 2,870 3,160 3,239 3,318 3,444 4,305 4,424 4,740 4,920 5,530 5,740 6,478 6,636 6,888 8,295 8,610 9,480 9,717 11,060 11,480 12,956 13,272 16,195 16,590 17,220 19,434 22,120 22,673 25,912 32,390 33,180 34,440 38,868 45,346 48,585 64,780 66,360 68,019 77,736 90,692 97,170 113,365 129,560 136,038 181,384 194,340 226,730 272,076 340,095 388,680 453,460 544,152 680,190 906,920 1,360,380 and 2,720,760, with no remainder.
Since 2,720,760 cannot be divided by just 1 and 2,720,760, it is a composite number.