Q: Is 20,167,550 a Composite Number?

Why is 20,167,550 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 20,167,550 can be evenly divided by 1 2 5 10 13 19 23 25 26 38 46 50 65 71 95 115 130 142 190 230 247 299 325 355 437 475 494 575 598 650 710 874 923 950 1,150 1,235 1,349 1,495 1,633 1,775 1,846 2,185 2,470 2,698 2,990 3,266 3,550 4,370 4,615 5,681 6,175 6,745 7,475 8,165 9,230 10,925 11,362 12,350 13,490 14,950 16,330 17,537 21,229 21,850 23,075 28,405 31,027 33,725 35,074 40,825 42,458 46,150 56,810 62,054 67,450 81,650 87,685 106,145 142,025 155,135 175,370 212,290 284,050 310,270 403,351 438,425 530,725 775,675 806,702 876,850 1,061,450 1,551,350 2,016,755 4,033,510 10,083,775 and 20,167,550, with no remainder.

Since 20,167,550 cannot be divided by just 1 and 20,167,550, 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).