Q: Is 30,306,045 a Composite Number?

Why is 30,306,045 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 30,306,045 can be evenly divided by 1 3 5 7 11 15 19 21 33 35 55 57 77 95 105 133 165 209 231 285 385 399 627 665 1,045 1,155 1,381 1,463 1,995 3,135 4,143 4,389 6,905 7,315 9,667 15,191 20,715 21,945 26,239 29,001 45,573 48,335 75,955 78,717 106,337 131,195 145,005 183,673 227,865 288,629 319,011 393,585 531,685 551,019 865,887 918,365 1,443,145 1,595,055 2,020,403 2,755,095 4,329,435 6,061,209 10,102,015 and 30,306,045, with no remainder.

Since 30,306,045 cannot be divided by just 1 and 30,306,045, 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).