Q: Is 7,227,225 a Composite Number?

Why is 7,227,225 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 7,227,225 can be evenly divided by 1 3 5 9 15 25 27 43 45 75 81 83 129 135 215 225 249 387 405 415 645 675 747 1,075 1,161 1,245 1,935 2,025 2,075 2,241 3,225 3,483 3,569 3,735 5,805 6,225 6,723 9,675 10,707 11,205 17,415 17,845 18,675 29,025 32,121 33,615 53,535 56,025 87,075 89,225 96,363 160,605 168,075 267,675 289,089 481,815 803,025 1,445,445 2,409,075 and 7,227,225, with no remainder.

Since 7,227,225 cannot be divided by just 1 and 7,227,225, 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).