The number 3,441,600 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 239 240 288 300 320 360 400 450 478 480 576 600 717 720 800 900 956 960 1,195 1,200 1,434 1,440 1,600 1,800 1,912 2,151 2,390 2,400 2,868 2,880 3,585 3,600 3,824 4,302 4,780 4,800 5,736 5,975 7,170 7,200 7,648 8,604 9,560 10,755 11,472 11,950 14,340 14,400 15,296 17,208 17,925 19,120 21,510 22,944 23,900 28,680 34,416 35,850 38,240 43,020 45,888 47,800 53,775 57,360 68,832 71,700 76,480 86,040 95,600 107,550 114,720 137,664 143,400 172,080 191,200 215,100 229,440 286,800 344,160 382,400 430,200 573,600 688,320 860,400 1,147,200 1,720,800 and 3,441,600, with no remainder.
Since 3,441,600 cannot be divided by just 1 and 3,441,600, it is a composite number.