The number 1,086,800 can be evenly divided by 1 2 4 5 8 10 11 13 16 19 20 22 25 26 38 40 44 50 52 55 65 76 80 88 95 100 104 110 130 143 152 176 190 200 208 209 220 247 260 275 286 304 325 380 400 418 440 475 494 520 550 572 650 715 760 836 880 950 988 1,040 1,045 1,100 1,144 1,235 1,300 1,430 1,520 1,672 1,900 1,976 2,090 2,200 2,288 2,470 2,600 2,717 2,860 3,344 3,575 3,800 3,952 4,180 4,400 4,940 5,200 5,225 5,434 5,720 6,175 7,150 7,600 8,360 9,880 10,450 10,868 11,440 12,350 13,585 14,300 16,720 19,760 20,900 21,736 24,700 27,170 28,600 41,800 43,472 49,400 54,340 57,200 67,925 83,600 98,800 108,680 135,850 217,360 271,700 543,400 and 1,086,800, with no remainder.
Since 1,086,800 cannot be divided by just 1 and 1,086,800, it is a composite number.