A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4572810 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 30 31 33 45 55 62 66 90 93 99 110 149 155 165 186 198 279 298 310 330 341 447 465 495 558 682 745 894 930 990 1,023 1,341 1,395 1,490 1,639 1,705 2,046 2,235 2,682 2,790 3,069 3,278 3,410 4,470 4,619 4,917 5,115 6,138 6,705 8,195 9,238 9,834 10,230 13,410 13,857 14,751 15,345 16,390 23,095 24,585 27,714 29,502 30,690 41,571 46,190 49,170 50,809 69,285 73,755 83,142 101,618 138,570 147,510 152,427 207,855 254,045 304,854 415,710 457,281 508,090 762,135 914,562 1,524,270 2,286,405 and 4,572,810, with no remainder.
Since 4,572,810 cannot be divided by just 1 and 4,572,810, it is not a prime number.