Q: Is 80,640 a Composite Number?
A: Yes, 80,640 is a composite number.
The number 80,640 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 84 90 96 105 112 120 126 128 140 144 160 168 180 192 210 224 240 252 256 280 288 315 320 336 360 384 420 448 480 504 560 576 630 640 672 720 768 840 896 960 1,008 1,120 1,152 1,260 1,280 1,344 1,440 1,680 1,792 1,920 2,016 2,240 2,304 2,520 2,688 2,880 3,360 3,840 4,032 4,480 5,040 5,376 5,760 6,720 8,064 8,960 10,080 11,520 13,440 16,128 20,160 26,880 40,320 and 80,640, with no remainder.
Since 80,640 cannot be divided by just 1 and 80,640, it is a composite number.