The number 7,708,008 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 42 43 44 56 66 77 84 86 88 97 129 132 154 168 172 194 231 258 264 291 301 308 344 388 462 473 516 582 602 616 679 776 903 924 946 1,032 1,067 1,164 1,204 1,358 1,419 1,806 1,848 1,892 2,037 2,134 2,328 2,408 2,716 2,838 3,201 3,311 3,612 3,784 4,074 4,171 4,268 5,432 5,676 6,402 6,622 7,224 7,469 8,148 8,342 8,536 9,933 11,352 12,513 12,804 13,244 14,938 16,296 16,684 19,866 22,407 25,026 25,608 26,488 29,197 29,876 33,368 39,732 44,814 45,881 50,052 58,394 59,752 79,464 87,591 89,628 91,762 100,104 116,788 137,643 175,182 179,256 183,524 233,576 275,286 321,167 350,364 367,048 550,572 642,334 700,728 963,501 1,101,144 1,284,668 1,927,002 2,569,336 3,854,004 and 7,708,008, with no remainder.
Since 7,708,008 cannot be divided by just 1 and 7,708,008, it is a composite number.