Q: Is 23,221,720 a Composite Number?

Why is 23,221,720 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 23,221,720 can be evenly divided by 1 2 4 5 8 10 20 23 40 43 46 86 92 115 172 184 215 230 344 430 460 587 860 920 989 1,174 1,720 1,978 2,348 2,935 3,956 4,696 4,945 5,870 7,912 9,890 11,740 13,501 19,780 23,480 25,241 27,002 39,560 50,482 54,004 67,505 100,964 108,008 126,205 135,010 201,928 252,410 270,020 504,820 540,040 580,543 1,009,640 1,161,086 2,322,172 2,902,715 4,644,344 5,805,430 11,610,860 and 23,221,720, with no remainder.

Since 23,221,720 cannot be divided by just 1 and 23,221,720, 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).