Q: Is 21,550,200 a Composite Number?

Why is 21,550,200 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 21,550,200 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 49 50 56 60 70 75 84 98 100 105 120 140 147 150 168 175 196 200 210 245 280 294 300 350 392 420 490 525 588 600 700 733 735 840 980 1,050 1,176 1,225 1,400 1,466 1,470 1,960 2,100 2,199 2,450 2,932 2,940 3,665 3,675 4,200 4,398 4,900 5,131 5,864 5,880 7,330 7,350 8,796 9,800 10,262 10,995 14,660 14,700 15,393 17,592 18,325 20,524 21,990 25,655 29,320 29,400 30,786 35,917 36,650 41,048 43,980 51,310 54,975 61,572 71,834 73,300 76,965 87,960 102,620 107,751 109,950 123,144 128,275 143,668 146,600 153,930 179,585 205,240 215,502 219,900 256,550 287,336 307,860 359,170 384,825 431,004 439,800 513,100 538,755 615,720 718,340 769,650 862,008 897,925 1,026,200 1,077,510 1,436,680 1,539,300 1,795,850 2,155,020 2,693,775 3,078,600 3,591,700 4,310,040 5,387,550 7,183,400 10,775,100 and 21,550,200, with no remainder.

Since 21,550,200 cannot be divided by just 1 and 21,550,200, 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).