A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5873010 can be evenly divided by 1 2 3 5 6 10 11 13 15 22 26 30 33 37 39 55 65 66 74 78 110 111 130 143 165 185 195 222 286 330 370 390 407 429 481 555 715 814 858 962 1,110 1,221 1,369 1,430 1,443 2,035 2,145 2,405 2,442 2,738 2,886 4,070 4,107 4,290 4,810 5,291 6,105 6,845 7,215 8,214 10,582 12,210 13,690 14,430 15,059 15,873 17,797 20,535 26,455 30,118 31,746 35,594 41,070 45,177 52,910 53,391 75,295 79,365 88,985 90,354 106,782 150,590 158,730 177,970 195,767 225,885 266,955 391,534 451,770 533,910 587,301 978,835 1,174,602 1,957,670 2,936,505 and 5,873,010, with no remainder.
Since 5,873,010 cannot be divided by just 1 and 5,873,010, it is not a prime number.