Q: Is 21,646,200 a Composite Number?

Why is 21,646,200 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 21,646,200 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 43 50 60 75 86 100 120 129 150 172 200 215 258 300 344 430 516 600 645 839 860 1,032 1,075 1,290 1,678 1,720 2,150 2,517 2,580 3,225 3,356 4,195 4,300 5,034 5,160 6,450 6,712 8,390 8,600 10,068 12,585 12,900 16,780 20,136 20,975 25,170 25,800 33,560 36,077 41,950 50,340 62,925 72,154 83,900 100,680 108,231 125,850 144,308 167,800 180,385 216,462 251,700 288,616 360,770 432,924 503,400 541,155 721,540 865,848 901,925 1,082,310 1,443,080 1,803,850 2,164,620 2,705,775 3,607,700 4,329,240 5,411,550 7,215,400 10,823,100 and 21,646,200, with no remainder.

Since 21,646,200 cannot be divided by just 1 and 21,646,200, 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).