The number 908,160 can be evenly divided by 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 43 44 48 55 60 64 66 80 86 88 96 110 120 128 129 132 160 165 172 176 192 215 220 240 258 264 320 330 344 352 384 430 440 473 480 516 528 640 645 660 688 704 860 880 946 960 1,032 1,056 1,290 1,320 1,376 1,408 1,419 1,720 1,760 1,892 1,920 2,064 2,112 2,365 2,580 2,640 2,752 2,838 3,440 3,520 3,784 4,128 4,224 4,730 5,160 5,280 5,504 5,676 6,880 7,040 7,095 7,568 8,256 9,460 10,320 10,560 11,352 13,760 14,190 15,136 16,512 18,920 20,640 21,120 22,704 27,520 28,380 30,272 37,840 41,280 45,408 56,760 60,544 75,680 82,560 90,816 113,520 151,360 181,632 227,040 302,720 454,080 and 908,160, with no remainder.
Since 908,160 cannot be divided by just 1 and 908,160, it is a composite number.