Q: Is 221,122,330 a Composite Number?

Why is 221,122,330 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 221,122,330 can be evenly divided by 1 2 5 10 11 13 22 26 55 65 101 110 130 143 202 286 505 715 1,010 1,111 1,313 1,430 1,531 2,222 2,626 3,062 5,555 6,565 7,655 11,110 13,130 14,443 15,310 16,841 19,903 28,886 33,682 39,806 72,215 84,205 99,515 144,430 154,631 168,410 199,030 218,933 309,262 437,866 773,155 1,094,665 1,546,310 1,700,941 2,010,203 2,189,330 3,401,882 4,020,406 8,504,705 10,051,015 17,009,410 20,102,030 22,112,233 44,224,466 110,561,165 and 221,122,330, with no remainder.

Since 221,122,330 cannot be divided by just 1 and 221,122,330, 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).