Q: Is 6,728,400 a Composite Number?

Why is 6,728,400 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 6,728,400 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 35 36 40 42 45 48 50 54 56 60 63 70 72 75 80 84 89 90 100 105 108 112 120 126 135 140 144 150 168 175 178 180 189 200 210 216 225 240 252 267 270 280 300 315 336 350 356 360 378 400 420 432 445 450 504 525 534 540 560 600 623 630 675 700 712 720 756 801 840 890 900 945 1,008 1,050 1,068 1,080 1,200 1,246 1,260 1,335 1,350 1,400 1,424 1,512 1,575 1,602 1,680 1,780 1,800 1,869 1,890 2,100 2,136 2,160 2,225 2,403 2,492 2,520 2,670 2,700 2,800 3,024 3,115 3,150 3,204 3,560 3,600 3,738 3,780 4,005 4,200 4,272 4,450 4,725 4,806 4,984 5,040 5,340 5,400 5,607 6,230 6,300 6,408 6,675 7,120 7,476 7,560 8,010 8,400 8,900 9,345 9,450 9,612 9,968 10,680 10,800 11,214 12,015 12,460 12,600 12,816 13,350 14,952 15,120 15,575 16,020 16,821 17,800 18,690 18,900 19,224 20,025 21,360 22,428 24,030 24,920 25,200 26,700 28,035 29,904 31,150 32,040 33,642 35,600 37,380 37,800 38,448 40,050 44,856 46,725 48,060 49,840 53,400 56,070 60,075 62,300 64,080 67,284 74,760 75,600 80,100 84,105 89,712 93,450 96,120 106,800 112,140 120,150 124,600 134,568 140,175 149,520 160,200 168,210 186,900 192,240 224,280 240,300 249,200 269,136 280,350 320,400 336,420 373,800 420,525 448,560 480,600 560,700 672,840 747,600 841,050 961,200 1,121,400 1,345,680 1,682,100 2,242,800 3,364,200 and 6,728,400, with no remainder.

Since 6,728,400 cannot be divided by just 1 and 6,728,400, 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).