The number 4,163,280 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 19 20 22 24 30 33 38 40 44 48 55 57 60 66 76 80 83 88 95 110 114 120 132 152 165 166 176 190 209 220 228 240 249 264 285 304 330 332 380 415 418 440 456 498 528 570 627 660 664 760 830 836 880 912 913 996 1,045 1,140 1,245 1,254 1,320 1,328 1,520 1,577 1,660 1,672 1,826 1,992 2,090 2,280 2,490 2,508 2,640 2,739 3,135 3,154 3,320 3,344 3,652 3,984 4,180 4,560 4,565 4,731 4,980 5,016 5,478 6,270 6,308 6,640 7,304 7,885 8,360 9,130 9,462 9,960 10,032 10,956 12,540 12,616 13,695 14,608 15,770 16,720 17,347 18,260 18,924 19,920 21,912 23,655 25,080 25,232 27,390 31,540 34,694 36,520 37,848 43,824 47,310 50,160 52,041 54,780 63,080 69,388 73,040 75,696 86,735 94,620 104,082 109,560 126,160 138,776 173,470 189,240 208,164 219,120 260,205 277,552 346,940 378,480 416,328 520,410 693,880 832,656 1,040,820 1,387,760 2,081,640 and 4,163,280, with no remainder.
Since 4,163,280 cannot be divided by just 1 and 4,163,280, it is a composite number.