Q: Is 1,440,285 a Composite Number?

Why is 1,440,285 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 1,440,285 can be evenly divided by 1 3 5 7 11 15 21 29 33 35 43 55 77 87 105 129 145 165 203 215 231 301 319 385 435 473 609 645 903 957 1,015 1,155 1,247 1,419 1,505 1,595 2,233 2,365 3,045 3,311 3,741 4,515 4,785 6,235 6,699 7,095 8,729 9,933 11,165 13,717 16,555 18,705 26,187 33,495 41,151 43,645 49,665 68,585 96,019 130,935 205,755 288,057 480,095 and 1,440,285, with no remainder.

Since 1,440,285 cannot be divided by just 1 and 1,440,285, 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).