Q: Is 9,591,978 a Composite Number?

Why is 9,591,978 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 9,591,978 can be evenly divided by 1 2 3 6 11 17 22 33 34 51 66 83 102 103 166 187 206 249 309 374 498 561 618 913 1,122 1,133 1,411 1,751 1,826 2,266 2,739 2,822 3,399 3,502 4,233 5,253 5,478 6,798 8,466 8,549 10,506 15,521 17,098 19,261 25,647 31,042 38,522 46,563 51,294 57,783 93,126 94,039 115,566 145,333 188,078 282,117 290,666 435,999 564,234 871,998 1,598,663 3,197,326 4,795,989 and 9,591,978, with no remainder.

Since 9,591,978 cannot be divided by just 1 and 9,591,978, 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).