The number 4,842,420 can be evenly divided by 1 2 3 4 5 6 10 11 12 15 20 22 23 29 30 33 44 46 55 58 60 66 69 87 92 110 115 116 121 132 138 145 165 174 220 230 242 253 276 290 319 330 345 348 363 435 460 484 506 580 605 638 660 667 690 726 759 870 957 1,012 1,210 1,265 1,276 1,334 1,380 1,452 1,518 1,595 1,740 1,815 1,914 2,001 2,420 2,530 2,668 2,783 3,036 3,190 3,335 3,509 3,630 3,795 3,828 4,002 4,785 5,060 5,566 6,380 6,670 7,018 7,260 7,337 7,590 8,004 8,349 9,570 10,005 10,527 11,132 13,340 13,915 14,036 14,674 15,180 16,698 17,545 19,140 20,010 21,054 22,011 27,830 29,348 33,396 35,090 36,685 40,020 41,745 42,108 44,022 52,635 55,660 70,180 73,370 80,707 83,490 88,044 105,270 110,055 146,740 161,414 166,980 210,540 220,110 242,121 322,828 403,535 440,220 484,242 807,070 968,484 1,210,605 1,614,140 2,421,210 and 4,842,420, with no remainder.
Since 4,842,420 cannot be divided by just 1 and 4,842,420, it is a composite number.