Q: Is 2,809,800 a Composite Number?

Why is 2,809,800 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 2,809,800 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 28 30 35 36 40 42 45 50 56 60 63 70 72 75 84 90 100 105 120 126 140 150 168 175 180 200 210 223 225 252 280 300 315 350 360 420 446 450 504 525 600 630 669 700 840 892 900 1,050 1,115 1,260 1,338 1,400 1,561 1,575 1,784 1,800 2,007 2,100 2,230 2,520 2,676 3,122 3,150 3,345 4,014 4,200 4,460 4,683 5,352 5,575 6,244 6,300 6,690 7,805 8,028 8,920 9,366 10,035 11,150 12,488 12,600 13,380 14,049 15,610 16,056 16,725 18,732 20,070 22,300 23,415 26,760 28,098 31,220 33,450 37,464 39,025 40,140 44,600 46,830 50,175 56,196 62,440 66,900 70,245 78,050 80,280 93,660 100,350 112,392 117,075 133,800 140,490 156,100 187,320 200,700 234,150 280,980 312,200 351,225 401,400 468,300 561,960 702,450 936,600 1,404,900 and 2,809,800, with no remainder.

Since 2,809,800 cannot be divided by just 1 and 2,809,800, 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).