A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 6070350 can be evenly divided by 1 2 3 5 6 10 11 13 15 22 25 26 30 33 39 50 55 65 66 75 78 110 130 143 150 165 195 275 283 286 325 330 390 429 550 566 650 715 825 849 858 975 1,415 1,430 1,650 1,698 1,950 2,145 2,830 3,113 3,575 3,679 4,245 4,290 6,226 7,075 7,150 7,358 8,490 9,339 10,725 11,037 14,150 15,565 18,395 18,678 21,225 21,450 22,074 31,130 36,790 40,469 42,450 46,695 55,185 77,825 80,938 91,975 93,390 110,370 121,407 155,650 183,950 202,345 233,475 242,814 275,925 404,690 466,950 551,850 607,035 1,011,725 1,214,070 2,023,450 3,035,175 and 6,070,350, with no remainder.
Since 6,070,350 cannot be divided by just 1 and 6,070,350, it is not a prime number.