The number 410,400 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 25 27 30 32 36 38 40 45 48 50 54 57 60 72 75 76 80 90 95 96 100 108 114 120 135 144 150 152 160 171 180 190 200 216 225 228 240 270 285 288 300 304 342 360 380 400 432 450 456 475 480 513 540 570 600 608 675 684 720 760 800 855 864 900 912 950 1,026 1,080 1,140 1,200 1,350 1,368 1,425 1,440 1,520 1,710 1,800 1,824 1,900 2,052 2,160 2,280 2,400 2,565 2,700 2,736 2,850 3,040 3,420 3,600 3,800 4,104 4,275 4,320 4,560 5,130 5,400 5,472 5,700 6,840 7,200 7,600 8,208 8,550 9,120 10,260 10,800 11,400 12,825 13,680 15,200 16,416 17,100 20,520 21,600 22,800 25,650 27,360 34,200 41,040 45,600 51,300 68,400 82,080 102,600 136,800 205,200 and 410,400, with no remainder.
Since 410,400 cannot be divided by just 1 and 410,400, it is a composite number.