The number 8,864,016 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 23 24 28 31 37 42 46 48 56 62 69 74 84 92 93 111 112 124 138 148 161 168 184 186 217 222 248 259 276 296 322 336 368 372 434 444 483 496 518 552 592 644 651 713 744 777 851 868 888 966 1,036 1,104 1,147 1,288 1,302 1,426 1,488 1,554 1,702 1,736 1,776 1,932 2,072 2,139 2,294 2,553 2,576 2,604 2,852 3,108 3,404 3,441 3,472 3,864 4,144 4,278 4,588 4,991 5,106 5,208 5,704 5,957 6,216 6,808 6,882 7,728 8,029 8,556 9,176 9,982 10,212 10,416 11,408 11,914 12,432 13,616 13,764 14,973 16,058 17,112 17,871 18,352 19,964 20,424 23,828 24,087 26,381 27,528 29,946 32,116 34,224 35,742 39,928 40,848 47,656 48,174 52,762 55,056 59,892 64,232 71,484 79,143 79,856 95,312 96,348 105,524 119,784 128,464 142,968 158,286 184,667 192,696 211,048 239,568 285,936 316,572 369,334 385,392 422,096 554,001 633,144 738,668 1,108,002 1,266,288 1,477,336 2,216,004 2,954,672 4,432,008 and 8,864,016, with no remainder.
Since 8,864,016 cannot be divided by just 1 and 8,864,016, it is a composite number.