The number 6,006,600 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 47 50 60 71 72 75 90 94 100 120 141 142 150 180 188 200 213 225 235 282 284 300 355 360 376 423 426 450 470 564 568 600 639 705 710 846 852 900 940 1,065 1,128 1,175 1,278 1,410 1,420 1,692 1,704 1,775 1,800 1,880 2,115 2,130 2,350 2,556 2,820 2,840 3,195 3,337 3,384 3,525 3,550 4,230 4,260 4,700 5,112 5,325 5,640 6,390 6,674 7,050 7,100 8,460 8,520 9,400 10,011 10,575 10,650 12,780 13,348 14,100 14,200 15,975 16,685 16,920 20,022 21,150 21,300 25,560 26,696 28,200 30,033 31,950 33,370 40,044 42,300 42,600 50,055 60,066 63,900 66,740 80,088 83,425 84,600 100,110 120,132 127,800 133,480 150,165 166,850 200,220 240,264 250,275 300,330 333,700 400,440 500,550 600,660 667,400 750,825 1,001,100 1,201,320 1,501,650 2,002,200 3,003,300 and 6,006,600, with no remainder.
Since 6,006,600 cannot be divided by just 1 and 6,006,600, it is a composite number.