Q: Is 9,647,505 a Composite Number?

Why is 9,647,505 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 9,647,505 can be evenly divided by 1 3 5 7 9 15 21 27 35 41 45 63 81 83 105 123 135 189 205 249 287 315 369 405 415 567 581 615 747 861 945 1,107 1,245 1,435 1,743 1,845 2,241 2,583 2,835 2,905 3,321 3,403 3,735 4,305 5,229 5,535 6,723 7,749 8,715 10,209 11,205 12,915 15,687 16,605 17,015 23,247 23,821 26,145 30,627 33,615 38,745 47,061 51,045 71,463 78,435 91,881 116,235 119,105 153,135 214,389 235,305 275,643 357,315 459,405 643,167 1,071,945 1,378,215 1,929,501 3,215,835 and 9,647,505, with no remainder.

Since 9,647,505 cannot be divided by just 1 and 9,647,505, 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).