The number 327,600 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 25 26 28 30 35 36 39 40 42 45 48 50 52 56 60 63 65 70 72 75 78 80 84 90 91 100 104 105 112 117 120 126 130 140 144 150 156 168 175 180 182 195 200 208 210 225 234 240 252 260 273 280 300 312 315 325 336 350 360 364 390 400 420 450 455 468 504 520 525 546 560 585 600 624 630 650 700 720 728 780 819 840 900 910 936 975 1,008 1,040 1,050 1,092 1,170 1,200 1,260 1,300 1,365 1,400 1,456 1,560 1,575 1,638 1,680 1,800 1,820 1,872 1,950 2,100 2,184 2,275 2,340 2,520 2,600 2,730 2,800 2,925 3,120 3,150 3,276 3,600 3,640 3,900 4,095 4,200 4,368 4,550 4,680 5,040 5,200 5,460 5,850 6,300 6,552 6,825 7,280 7,800 8,190 8,400 9,100 9,360 10,920 11,700 12,600 13,104 13,650 15,600 16,380 18,200 20,475 21,840 23,400 25,200 27,300 32,760 36,400 40,950 46,800 54,600 65,520 81,900 109,200 163,800 and 327,600, with no remainder.
Since 327,600 cannot be divided by just 1 and 327,600, it is a composite number.