Q: Is 1,612,800 a Composite Number?

Why is 1,612,800 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 1,612,800 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 28 30 32 35 36 40 42 45 48 50 56 60 63 64 70 72 75 80 84 90 96 100 105 112 120 126 128 140 144 150 160 168 175 180 192 200 210 224 225 240 252 256 280 288 300 315 320 336 350 360 384 400 420 448 450 480 504 512 525 560 576 600 630 640 672 700 720 768 800 840 896 900 960 1,008 1,024 1,050 1,120 1,152 1,200 1,260 1,280 1,344 1,400 1,440 1,536 1,575 1,600 1,680 1,792 1,800 1,920 2,016 2,100 2,240 2,304 2,400 2,520 2,560 2,688 2,800 2,880 3,072 3,150 3,200 3,360 3,584 3,600 3,840 4,032 4,200 4,480 4,608 4,800 5,040 5,120 5,376 5,600 5,760 6,300 6,400 6,720 7,168 7,200 7,680 8,064 8,400 8,960 9,216 9,600 10,080 10,752 11,200 11,520 12,600 12,800 13,440 14,400 15,360 16,128 16,800 17,920 19,200 20,160 21,504 22,400 23,040 25,200 25,600 26,880 28,800 32,256 33,600 35,840 38,400 40,320 44,800 46,080 50,400 53,760 57,600 64,512 67,200 76,800 80,640 89,600 100,800 107,520 115,200 134,400 161,280 179,200 201,600 230,400 268,800 322,560 403,200 537,600 806,400 and 1,612,800, with no remainder.

Since 1,612,800 cannot be divided by just 1 and 1,612,800, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).