A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 8068104 can be evenly divided by 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 61 66 72 88 99 122 132 167 183 198 244 264 334 366 396 488 501 549 668 671 732 792 1,002 1,098 1,336 1,342 1,464 1,503 1,837 2,004 2,013 2,196 2,684 3,006 3,674 4,008 4,026 4,392 5,368 5,511 6,012 6,039 7,348 8,052 10,187 11,022 12,024 12,078 14,696 16,104 16,533 20,374 22,044 24,156 30,561 33,066 40,748 44,088 48,312 61,122 66,132 81,496 91,683 112,057 122,244 132,264 183,366 224,114 244,488 336,171 366,732 448,228 672,342 733,464 896,456 1,008,513 1,344,684 2,017,026 2,689,368 4,034,052 and 8,068,104, with no remainder.
Since 8,068,104 cannot be divided by just 1 and 8,068,104, it is not a prime number.