Q: Is 7,551,978 a Composite Number?

Why is 7,551,978 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 7,551,978 can be evenly divided by 1 2 3 6 7 14 17 21 34 42 49 51 98 102 119 147 238 294 357 714 833 1,511 1,666 2,499 3,022 4,533 4,998 9,066 10,577 21,154 25,687 31,731 51,374 63,462 74,039 77,061 148,078 154,122 179,809 222,117 359,618 444,234 539,427 1,078,854 1,258,663 2,517,326 3,775,989 and 7,551,978, with no remainder.

Since 7,551,978 cannot be divided by just 1 and 7,551,978, 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).