The number 6,890,184 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 31 36 42 49 54 56 62 63 72 81 84 93 98 108 124 126 147 162 168 186 189 196 216 217 248 252 279 294 324 343 372 378 392 434 441 504 558 567 588 648 651 686 744 756 837 868 882 1,029 1,116 1,134 1,176 1,302 1,323 1,372 1,512 1,519 1,674 1,736 1,764 1,953 2,058 2,232 2,268 2,511 2,604 2,646 2,744 3,038 3,087 3,348 3,528 3,906 3,969 4,116 4,536 4,557 5,022 5,208 5,292 5,859 6,076 6,174 6,696 7,812 7,938 8,232 9,114 9,261 10,044 10,584 10,633 11,718 12,152 12,348 13,671 15,624 15,876 17,577 18,228 18,522 20,088 21,266 23,436 24,696 27,342 27,783 31,752 31,899 35,154 36,456 37,044 41,013 42,532 46,872 54,684 55,566 63,798 70,308 74,088 82,026 85,064 95,697 109,368 111,132 123,039 127,596 140,616 164,052 191,394 222,264 246,078 255,192 287,091 328,104 382,788 492,156 574,182 765,576 861,273 984,312 1,148,364 1,722,546 2,296,728 3,445,092 and 6,890,184, with no remainder.
Since 6,890,184 cannot be divided by just 1 and 6,890,184, it is a composite number.