Q: Is 3,578,575 a Composite Number?

Why is 3,578,575 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 3,578,575 can be evenly divided by 1 5 7 11 13 25 35 55 65 77 91 121 143 169 175 275 325 385 455 605 715 845 847 1,001 1,183 1,573 1,859 1,925 2,275 3,025 3,575 4,225 4,235 5,005 5,915 7,865 9,295 11,011 13,013 20,449 21,175 25,025 29,575 39,325 46,475 55,055 65,065 102,245 143,143 275,275 325,325 511,225 715,715 and 3,578,575, with no remainder.

Since 3,578,575 cannot be divided by just 1 and 3,578,575, 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).