Q: Is 2,163,975 a Composite Number?

Why is 2,163,975 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 2,163,975 can be evenly divided by 1 3 5 11 15 25 33 43 55 61 75 129 165 183 215 275 305 473 645 671 825 915 1,075 1,419 1,525 2,013 2,365 2,623 3,225 3,355 4,575 7,095 7,869 10,065 11,825 13,115 16,775 28,853 35,475 39,345 50,325 65,575 86,559 144,265 196,725 432,795 721,325 and 2,163,975, with no remainder.

Since 2,163,975 cannot be divided by just 1 and 2,163,975, 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).