The number 1,177,848 can be evenly divided by 1 2 3 4 6 7 8 9 12 14 18 19 21 24 27 28 36 38 41 42 54 56 57 63 72 76 82 84 108 114 123 126 133 152 164 168 171 189 216 228 246 252 266 287 328 342 369 378 399 456 492 504 513 532 574 684 738 756 779 798 861 984 1,026 1,064 1,107 1,148 1,197 1,368 1,476 1,512 1,558 1,596 1,722 2,052 2,214 2,296 2,337 2,394 2,583 2,952 3,116 3,192 3,444 3,591 4,104 4,428 4,674 4,788 5,166 5,453 6,232 6,888 7,011 7,182 7,749 8,856 9,348 9,576 10,332 10,906 14,022 14,364 15,498 16,359 18,696 20,664 21,033 21,812 28,044 28,728 30,996 32,718 42,066 43,624 49,077 56,088 61,992 65,436 84,132 98,154 130,872 147,231 168,264 196,308 294,462 392,616 588,924 and 1,177,848, with no remainder.
Since 1,177,848 cannot be divided by just 1 and 1,177,848, it is a composite number.