The number 981,360 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 36 40 45 47 48 58 60 72 80 87 90 94 116 120 141 144 145 174 180 188 232 235 240 261 282 290 348 360 376 423 435 464 470 522 564 580 696 705 720 752 846 870 940 1,044 1,128 1,160 1,305 1,363 1,392 1,410 1,692 1,740 1,880 2,088 2,115 2,256 2,320 2,610 2,726 2,820 3,384 3,480 3,760 4,089 4,176 4,230 5,220 5,452 5,640 6,768 6,815 6,960 8,178 8,460 10,440 10,904 11,280 12,267 13,630 16,356 16,920 20,445 20,880 21,808 24,534 27,260 32,712 33,840 40,890 49,068 54,520 61,335 65,424 81,780 98,136 109,040 122,670 163,560 196,272 245,340 327,120 490,680 and 981,360, with no remainder.
Since 981,360 cannot be divided by just 1 and 981,360, it is a composite number.