The number 2,532,600 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 27 28 30 35 36 40 42 45 50 54 56 60 63 67 70 72 75 84 90 100 105 108 120 126 134 135 140 150 168 175 180 189 200 201 210 216 225 252 268 270 280 300 315 335 350 360 378 402 420 450 469 504 525 536 540 600 603 630 670 675 700 756 804 840 900 938 945 1,005 1,050 1,080 1,206 1,260 1,340 1,350 1,400 1,407 1,512 1,575 1,608 1,675 1,800 1,809 1,876 1,890 2,010 2,100 2,345 2,412 2,520 2,680 2,700 2,814 3,015 3,150 3,350 3,618 3,752 3,780 4,020 4,200 4,221 4,690 4,725 4,824 5,025 5,400 5,628 6,030 6,300 6,700 7,035 7,236 7,560 8,040 8,442 9,045 9,380 9,450 10,050 11,256 11,725 12,060 12,600 12,663 13,400 14,070 14,472 15,075 16,884 18,090 18,760 18,900 20,100 21,105 23,450 24,120 25,326 28,140 30,150 33,768 35,175 36,180 37,800 40,200 42,210 45,225 46,900 50,652 56,280 60,300 63,315 70,350 72,360 84,420 90,450 93,800 101,304 105,525 120,600 126,630 140,700 168,840 180,900 211,050 253,260 281,400 316,575 361,800 422,100 506,520 633,150 844,200 1,266,300 and 2,532,600, with no remainder.
Since 2,532,600 cannot be divided by just 1 and 2,532,600, it is a composite number.