The number 2,136,750 can be evenly divided by 1 2 3 5 6 7 10 11 14 15 21 22 25 30 33 35 37 42 50 55 66 70 74 75 77 105 110 111 125 150 154 165 175 185 210 222 231 250 259 275 330 350 370 375 385 407 462 518 525 550 555 750 770 777 814 825 875 925 1,050 1,110 1,155 1,221 1,295 1,375 1,554 1,650 1,750 1,850 1,925 2,035 2,310 2,442 2,590 2,625 2,750 2,775 2,849 3,850 3,885 4,070 4,125 4,625 5,250 5,550 5,698 5,775 6,105 6,475 7,770 8,250 8,547 9,250 9,625 10,175 11,550 12,210 12,950 13,875 14,245 17,094 19,250 19,425 20,350 27,750 28,490 28,875 30,525 32,375 38,850 42,735 50,875 57,750 61,050 64,750 71,225 85,470 97,125 101,750 142,450 152,625 194,250 213,675 305,250 356,125 427,350 712,250 1,068,375 and 2,136,750, with no remainder.
Since 2,136,750 cannot be divided by just 1 and 2,136,750, it is a composite number.