The number 3,452,680 can be evenly divided by 1 2 4 5 7 8 10 11 14 19 20 22 28 35 38 40 44 55 56 59 70 76 77 88 95 110 118 133 140 152 154 190 209 220 236 266 280 295 308 380 385 413 418 440 472 532 590 616 649 665 760 770 826 836 1,045 1,064 1,121 1,180 1,298 1,330 1,463 1,540 1,652 1,672 2,065 2,090 2,242 2,360 2,596 2,660 2,926 3,080 3,245 3,304 4,130 4,180 4,484 4,543 5,192 5,320 5,605 5,852 6,490 7,315 7,847 8,260 8,360 8,968 9,086 11,210 11,704 12,331 12,980 14,630 15,694 16,520 18,172 22,420 22,715 24,662 25,960 29,260 31,388 36,344 39,235 44,840 45,430 49,324 58,520 61,655 62,776 78,470 86,317 90,860 98,648 123,310 156,940 172,634 181,720 246,620 313,880 345,268 431,585 493,240 690,536 863,170 1,726,340 and 3,452,680, with no remainder.
Since 3,452,680 cannot be divided by just 1 and 3,452,680, it is a composite number.