The number 4,448,016 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 23 24 34 36 46 48 51 68 69 72 79 92 102 136 138 144 153 158 184 204 207 237 272 276 306 316 368 391 408 414 474 552 612 632 711 782 816 828 948 1,104 1,173 1,224 1,264 1,343 1,422 1,564 1,656 1,817 1,896 2,346 2,448 2,686 2,844 3,128 3,312 3,519 3,634 3,792 4,029 4,692 5,372 5,451 5,688 6,256 7,038 7,268 8,058 9,384 10,744 10,902 11,376 12,087 14,076 14,536 16,116 16,353 18,768 21,488 21,804 24,174 28,152 29,072 30,889 32,232 32,706 43,608 48,348 56,304 61,778 64,464 65,412 87,216 92,667 96,696 123,556 130,824 185,334 193,392 247,112 261,648 278,001 370,668 494,224 556,002 741,336 1,112,004 1,482,672 2,224,008 and 4,448,016, with no remainder.
Since 4,448,016 cannot be divided by just 1 and 4,448,016, it is a composite number.