Q: Is 2,215,542 a Composite Number?

Why is 2,215,542 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 2,215,542 can be evenly divided by 1 2 3 6 7 14 17 21 29 34 42 51 58 87 102 107 119 174 203 214 238 321 357 406 493 609 642 714 749 986 1,218 1,479 1,498 1,819 2,247 2,958 3,103 3,451 3,638 4,494 5,457 6,206 6,902 9,309 10,353 10,914 12,733 18,618 20,706 21,721 25,466 38,199 43,442 52,751 65,163 76,398 105,502 130,326 158,253 316,506 369,257 738,514 1,107,771 and 2,215,542, with no remainder.

Since 2,215,542 cannot be divided by just 1 and 2,215,542, 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).