Q: Is 20,324,655 a Composite Number?

Why is 20,324,655 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 20,324,655 can be evenly divided by 1 3 5 9 13 15 27 37 39 45 65 111 117 135 185 195 313 333 351 481 555 585 939 999 1,443 1,565 1,665 1,755 2,405 2,817 4,069 4,329 4,695 4,995 7,215 8,451 11,581 12,207 12,987 14,085 20,345 21,645 34,743 36,621 42,255 57,905 61,035 64,935 104,229 109,863 150,553 173,715 183,105 312,687 451,659 521,145 549,315 752,765 1,354,977 1,563,435 2,258,295 4,064,931 6,774,885 and 20,324,655, with no remainder.

Since 20,324,655 cannot be divided by just 1 and 20,324,655, 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).