The number 4,187,232 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 32 36 42 48 56 62 63 67 72 84 93 96 112 124 126 134 144 168 186 201 217 224 248 252 268 279 288 336 372 402 434 469 496 504 536 558 603 651 672 744 804 868 938 992 1,008 1,072 1,116 1,206 1,302 1,407 1,488 1,608 1,736 1,876 1,953 2,016 2,077 2,144 2,232 2,412 2,604 2,814 2,976 3,216 3,472 3,752 3,906 4,154 4,221 4,464 4,824 5,208 5,628 6,231 6,432 6,944 7,504 7,812 8,308 8,442 8,928 9,648 10,416 11,256 12,462 14,539 15,008 15,624 16,616 16,884 18,693 19,296 20,832 22,512 24,924 29,078 31,248 33,232 33,768 37,386 43,617 45,024 49,848 58,156 62,496 66,464 67,536 74,772 87,234 99,696 116,312 130,851 135,072 149,544 174,468 199,392 232,624 261,702 299,088 348,936 465,248 523,404 598,176 697,872 1,046,808 1,395,744 2,093,616 and 4,187,232, with no remainder.
Since 4,187,232 cannot be divided by just 1 and 4,187,232, it is a composite number.