Q: Is 11,421,018 a Composite Number?

Why is 11,421,018 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 11,421,018 can be evenly divided by 1 2 3 6 7 9 14 18 21 23 42 46 49 63 69 98 126 138 147 161 207 294 322 414 441 483 563 882 966 1,126 1,127 1,449 1,689 2,254 2,898 3,378 3,381 3,941 5,067 6,762 7,882 10,134 10,143 11,823 12,949 20,286 23,646 25,898 27,587 35,469 38,847 55,174 70,938 77,694 82,761 90,643 116,541 165,522 181,286 233,082 248,283 271,929 496,566 543,858 634,501 815,787 1,269,002 1,631,574 1,903,503 3,807,006 5,710,509 and 11,421,018, with no remainder.

Since 11,421,018 cannot be divided by just 1 and 11,421,018, 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).