The number 5,045,940 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 97 102 153 170 180 194 204 255 289 291 306 340 388 485 510 578 582 612 765 867 873 970 1,020 1,156 1,164 1,445 1,455 1,530 1,649 1,734 1,746 1,940 2,601 2,890 2,910 3,060 3,298 3,468 3,492 4,335 4,365 4,947 5,202 5,780 5,820 6,596 8,245 8,670 8,730 9,894 10,404 13,005 14,841 16,490 17,340 17,460 19,788 24,735 26,010 28,033 29,682 32,980 49,470 52,020 56,066 59,364 74,205 84,099 98,940 112,132 140,165 148,410 168,198 252,297 280,330 296,820 336,396 420,495 504,594 560,660 840,990 1,009,188 1,261,485 1,681,980 2,522,970 and 5,045,940, with no remainder.
Since 5,045,940 cannot be divided by just 1 and 5,045,940, it is a composite number.