Q: Is 2,128,638 a Composite Number?

Why is 2,128,638 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 2,128,638 can be evenly divided by 1 2 3 6 17 34 41 51 82 102 123 246 509 697 1,018 1,394 1,527 2,091 3,054 4,182 8,653 17,306 20,869 25,959 41,738 51,918 62,607 125,214 354,773 709,546 1,064,319 and 2,128,638, with no remainder.

Since 2,128,638 cannot be divided by just 1 and 2,128,638, 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).