The number 4,948,320 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 61 65 78 80 96 104 120 122 130 156 160 169 183 195 208 240 244 260 305 312 338 366 390 416 480 488 507 520 610 624 676 732 780 793 845 915 976 1,014 1,040 1,220 1,248 1,352 1,464 1,560 1,586 1,690 1,830 1,952 2,028 2,080 2,379 2,440 2,535 2,704 2,928 3,120 3,172 3,380 3,660 3,965 4,056 4,758 4,880 5,070 5,408 5,856 6,240 6,344 6,760 7,320 7,930 8,112 9,516 9,760 10,140 10,309 11,895 12,688 13,520 14,640 15,860 16,224 19,032 20,280 20,618 23,790 25,376 27,040 29,280 30,927 31,720 38,064 40,560 41,236 47,580 51,545 61,854 63,440 76,128 81,120 82,472 95,160 103,090 123,708 126,880 154,635 164,944 190,320 206,180 247,416 309,270 329,888 380,640 412,360 494,832 618,540 824,720 989,664 1,237,080 1,649,440 2,474,160 and 4,948,320, with no remainder.
Since 4,948,320 cannot be divided by just 1 and 4,948,320, it is a composite number.