The number 1,698,480 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 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 337 360 420 504 560 630 674 720 840 1,008 1,011 1,260 1,348 1,680 1,685 2,022 2,359 2,520 2,696 3,033 3,370 4,044 4,718 5,040 5,055 5,392 6,066 6,740 7,077 8,088 9,436 10,110 11,795 12,132 13,480 14,154 15,165 16,176 18,872 20,220 21,231 23,590 24,264 26,960 28,308 30,330 35,385 37,744 40,440 42,462 47,180 48,528 56,616 60,660 70,770 80,880 84,924 94,360 106,155 113,232 121,320 141,540 169,848 188,720 212,310 242,640 283,080 339,696 424,620 566,160 849,240 and 1,698,480, with no remainder.
Since 1,698,480 cannot be divided by just 1 and 1,698,480, it is a composite number.