Q: Is 2,757,755 a Composite Number?

Why is 2,757,755 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 2,757,755 can be evenly divided by 1 5 7 11 13 19 29 35 55 65 77 91 95 133 143 145 203 209 247 319 377 385 455 551 665 715 1,001 1,015 1,045 1,235 1,463 1,595 1,729 1,885 2,233 2,639 2,717 2,755 3,857 4,147 5,005 6,061 7,163 7,315 8,645 11,165 13,195 13,585 19,019 19,285 20,735 29,029 30,305 35,815 42,427 50,141 78,793 95,095 145,145 212,135 250,705 393,965 551,551 and 2,757,755, with no remainder.

Since 2,757,755 cannot be divided by just 1 and 2,757,755, 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).