The number 983,136 can be evenly divided by 1 2 3 4 6 7 8 11 12 14 16 19 21 22 24 28 32 33 38 42 44 48 49 56 57 66 76 77 84 88 96 98 112 114 132 133 147 152 154 168 176 196 209 224 228 231 264 266 294 304 308 336 352 392 399 418 456 462 528 532 539 588 608 616 627 672 784 798 836 912 924 931 1,056 1,064 1,078 1,176 1,232 1,254 1,463 1,568 1,596 1,617 1,672 1,824 1,848 1,862 2,128 2,156 2,352 2,464 2,508 2,793 2,926 3,192 3,234 3,344 3,696 3,724 4,256 4,312 4,389 4,704 5,016 5,586 5,852 6,384 6,468 6,688 7,392 7,448 8,624 8,778 10,032 10,241 11,172 11,704 12,768 12,936 14,896 17,248 17,556 20,064 20,482 22,344 23,408 25,872 29,792 30,723 35,112 40,964 44,688 46,816 51,744 61,446 70,224 81,928 89,376 122,892 140,448 163,856 245,784 327,712 491,568 and 983,136, with no remainder.
Since 983,136 cannot be divided by just 1 and 983,136, it is a composite number.