The number 5,310,630 can be evenly divided by 1 2 3 5 6 9 10 13 15 17 18 26 27 30 34 39 45 51 54 65 78 85 89 90 102 117 130 135 153 170 178 195 221 234 255 267 270 306 351 390 442 445 459 510 534 585 663 702 765 801 890 918 1,105 1,157 1,170 1,326 1,335 1,513 1,530 1,602 1,755 1,989 2,210 2,295 2,314 2,403 2,670 3,026 3,315 3,471 3,510 3,978 4,005 4,539 4,590 4,806 5,785 5,967 6,630 6,942 7,565 8,010 9,078 9,945 10,413 11,570 11,934 12,015 13,617 15,130 17,355 19,669 19,890 20,826 22,695 24,030 27,234 29,835 31,239 34,710 39,338 40,851 45,390 52,065 59,007 59,670 62,478 68,085 81,702 98,345 104,130 118,014 136,170 156,195 177,021 196,690 204,255 295,035 312,390 354,042 408,510 531,063 590,070 885,105 1,062,126 1,770,210 2,655,315 and 5,310,630, with no remainder.
Since 5,310,630 cannot be divided by just 1 and 5,310,630, it is a composite number.