Q: Is 1,421,574 a Composite Number?

Why is 1,421,574 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 1,421,574 can be evenly divided by 1 2 3 6 7 11 14 17 21 22 33 34 42 51 66 77 102 119 154 181 187 231 238 357 362 374 462 543 561 714 1,086 1,122 1,267 1,309 1,991 2,534 2,618 3,077 3,801 3,927 3,982 5,973 6,154 7,602 7,854 9,231 11,946 13,937 18,462 21,539 27,874 33,847 41,811 43,078 64,617 67,694 83,622 101,541 129,234 203,082 236,929 473,858 710,787 and 1,421,574, with no remainder.

Since 1,421,574 cannot be divided by just 1 and 1,421,574, 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).