The number 2,973,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 32 38 40 48 57 60 64 76 80 95 96 114 120 152 160 163 190 192 228 240 285 304 320 326 380 456 480 489 570 608 652 760 815 912 960 978 1,140 1,216 1,304 1,520 1,630 1,824 1,956 2,280 2,445 2,608 3,040 3,097 3,260 3,648 3,912 4,560 4,890 5,216 6,080 6,194 6,520 7,824 9,120 9,291 9,780 10,432 12,388 13,040 15,485 15,648 18,240 18,582 19,560 24,776 26,080 30,970 31,296 37,164 39,120 46,455 49,552 52,160 61,940 74,328 78,240 92,910 99,104 123,880 148,656 156,480 185,820 198,208 247,760 297,312 371,640 495,520 594,624 743,280 991,040 1,486,560 and 2,973,120, with no remainder.
Since 2,973,120 cannot be divided by just 1 and 2,973,120, it is a composite number.