Q: Is 1,511,020 a Composite Number?

Why is 1,511,020 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 1,511,020 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 43 70 86 140 172 215 251 301 430 502 602 860 1,004 1,204 1,255 1,505 1,757 2,510 3,010 3,514 5,020 6,020 7,028 8,785 10,793 17,570 21,586 35,140 43,172 53,965 75,551 107,930 151,102 215,860 302,204 377,755 755,510 and 1,511,020, with no remainder.

Since 1,511,020 cannot be divided by just 1 and 1,511,020, 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).