The number 3,238,092 can be evenly divided by 1 2 3 4 6 9 11 12 13 17 18 22 26 33 34 36 37 39 44 51 52 66 68 74 78 99 102 111 117 132 143 148 153 156 187 198 204 221 222 234 286 306 333 374 396 407 429 442 444 468 481 561 572 612 629 663 666 748 814 858 884 962 1,122 1,221 1,258 1,287 1,326 1,332 1,443 1,628 1,683 1,716 1,887 1,924 1,989 2,244 2,431 2,442 2,516 2,574 2,652 2,886 3,366 3,663 3,774 3,978 4,329 4,862 4,884 5,148 5,291 5,661 5,772 6,732 6,919 7,293 7,326 7,548 7,956 8,177 8,658 9,724 10,582 11,322 13,838 14,586 14,652 15,873 16,354 17,316 20,757 21,164 21,879 22,644 24,531 27,676 29,172 31,746 32,708 41,514 43,758 47,619 49,062 62,271 63,492 73,593 83,028 87,516 89,947 95,238 98,124 124,542 147,186 179,894 190,476 249,084 269,841 294,372 359,788 539,682 809,523 1,079,364 1,619,046 and 3,238,092, with no remainder.
Since 3,238,092 cannot be divided by just 1 and 3,238,092, it is a composite number.