The number 5,120,700 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 101 130 150 156 169 195 202 260 300 303 325 338 390 404 505 507 606 650 676 780 845 975 1,010 1,014 1,212 1,300 1,313 1,515 1,690 1,950 2,020 2,028 2,525 2,535 2,626 3,030 3,380 3,900 3,939 4,225 5,050 5,070 5,252 6,060 6,565 7,575 7,878 8,450 10,100 10,140 12,675 13,130 15,150 15,756 16,900 17,069 19,695 25,350 26,260 30,300 32,825 34,138 39,390 50,700 51,207 65,650 68,276 78,780 85,345 98,475 102,414 131,300 170,690 196,950 204,828 256,035 341,380 393,900 426,725 512,070 853,450 1,024,140 1,280,175 1,706,900 2,560,350 and 5,120,700, with no remainder.
Since 5,120,700 cannot be divided by just 1 and 5,120,700, it is a composite number.