The number 5,878,260 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 90 102 113 153 170 180 204 226 255 289 306 339 340 452 510 565 578 612 678 765 867 1,017 1,020 1,130 1,156 1,356 1,445 1,530 1,695 1,734 1,921 2,034 2,260 2,601 2,890 3,060 3,390 3,468 3,842 4,068 4,335 5,085 5,202 5,763 5,780 6,780 7,684 8,670 9,605 10,170 10,404 11,526 13,005 17,289 17,340 19,210 20,340 23,052 26,010 28,815 32,657 34,578 38,420 52,020 57,630 65,314 69,156 86,445 97,971 115,260 130,628 163,285 172,890 195,942 293,913 326,570 345,780 391,884 489,855 587,826 653,140 979,710 1,175,652 1,469,565 1,959,420 2,939,130 and 5,878,260, with no remainder.
Since 5,878,260 cannot be divided by just 1 and 5,878,260, it is a composite number.