Q: Is 1,395,558 a Composite Number?

Why is 1,395,558 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 1,395,558 can be evenly divided by 1 2 3 6 9 18 31 41 61 62 82 93 122 123 183 186 246 279 366 369 549 558 738 1,098 1,271 1,891 2,501 2,542 3,782 3,813 5,002 5,673 7,503 7,626 11,346 11,439 15,006 17,019 22,509 22,878 34,038 45,018 77,531 155,062 232,593 465,186 697,779 and 1,395,558, with no remainder.

Since 1,395,558 cannot be divided by just 1 and 1,395,558, 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).