The number 3,094,560 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 210 224 240 252 280 288 307 315 336 360 420 480 504 560 614 630 672 720 840 921 1,008 1,120 1,228 1,260 1,440 1,535 1,680 1,842 2,016 2,149 2,456 2,520 2,763 3,070 3,360 3,684 4,298 4,605 4,912 5,040 5,526 6,140 6,447 7,368 8,596 9,210 9,824 10,080 10,745 11,052 12,280 12,894 13,815 14,736 17,192 18,420 19,341 21,490 22,104 24,560 25,788 27,630 29,472 32,235 34,384 36,840 38,682 42,980 44,208 49,120 51,576 55,260 64,470 68,768 73,680 77,364 85,960 88,416 96,705 103,152 110,520 128,940 147,360 154,728 171,920 193,410 206,304 221,040 257,880 309,456 343,840 386,820 442,080 515,760 618,912 773,640 1,031,520 1,547,280 and 3,094,560, with no remainder.
Since 3,094,560 cannot be divided by just 1 and 3,094,560, it is a composite number.