Q: Is 21,450,330 a Composite Number?

Why is 21,450,330 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 21,450,330 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 30 33 45 47 55 66 90 94 99 110 141 165 198 235 282 330 423 461 470 495 517 705 846 922 990 1,034 1,383 1,410 1,551 2,115 2,305 2,585 2,766 3,102 4,149 4,230 4,610 4,653 5,071 5,170 6,915 7,755 8,298 9,306 10,142 13,830 15,213 15,510 20,745 21,667 23,265 25,355 30,426 41,490 43,334 45,639 46,530 50,710 65,001 76,065 91,278 108,335 130,002 152,130 195,003 216,670 228,195 238,337 325,005 390,006 456,390 476,674 650,010 715,011 975,015 1,191,685 1,430,022 1,950,030 2,145,033 2,383,370 3,575,055 4,290,066 7,150,110 10,725,165 and 21,450,330, with no remainder.

Since 21,450,330 cannot be divided by just 1 and 21,450,330, 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).