Q: Is 3,372,705 a Composite Number?

Why is 3,372,705 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 3,372,705 can be evenly divided by 1 3 5 7 9 15 21 27 35 43 45 63 83 105 129 135 189 215 249 301 315 387 415 581 645 747 903 945 1,161 1,245 1,505 1,743 1,935 2,241 2,709 2,905 3,569 3,735 4,515 5,229 5,805 8,127 8,715 10,707 11,205 13,545 15,687 17,845 24,983 26,145 32,121 40,635 53,535 74,949 78,435 96,363 124,915 160,605 224,847 374,745 481,815 674,541 1,124,235 and 3,372,705, with no remainder.

Since 3,372,705 cannot be divided by just 1 and 3,372,705, 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).