The number 4,689,048 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 19 21 24 26 28 38 39 42 52 56 57 76 78 84 91 104 113 114 133 152 156 168 182 226 228 247 266 273 312 339 364 399 452 456 494 532 546 678 728 741 791 798 904 988 1,064 1,092 1,356 1,469 1,482 1,582 1,596 1,729 1,976 2,147 2,184 2,373 2,712 2,938 2,964 3,164 3,192 3,458 4,294 4,407 4,746 5,187 5,876 5,928 6,328 6,441 6,916 8,588 8,814 9,492 10,283 10,374 11,752 12,882 13,832 15,029 17,176 17,628 18,984 20,566 20,748 25,764 27,911 30,058 30,849 35,256 41,132 41,496 45,087 51,528 55,822 60,116 61,698 82,264 83,733 90,174 111,644 120,232 123,396 167,466 180,348 195,377 223,288 246,792 334,932 360,696 390,754 586,131 669,864 781,508 1,172,262 1,563,016 2,344,524 and 4,689,048, with no remainder.
Since 4,689,048 cannot be divided by just 1 and 4,689,048, it is a composite number.