Q: Is 4,805,775 a Composite Number?

Why is 4,805,775 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 4,805,775 can be evenly divided by 1 3 5 9 13 15 25 31 39 45 53 65 75 93 117 155 159 195 225 265 279 325 403 465 477 585 689 775 795 975 1,209 1,325 1,395 1,643 2,015 2,067 2,325 2,385 2,925 3,445 3,627 3,975 4,929 6,045 6,201 6,975 8,215 10,075 10,335 11,925 14,787 17,225 18,135 21,359 24,645 30,225 31,005 41,075 51,675 64,077 73,935 90,675 106,795 123,225 155,025 192,231 320,385 369,675 533,975 961,155 1,601,925 and 4,805,775, with no remainder.

Since 4,805,775 cannot be divided by just 1 and 4,805,775, 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).