Q: Is 2,128,535 a Composite Number?

Why is 2,128,535 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 2,128,535 can be evenly divided by 1 5 23 83 115 223 415 1,115 1,909 5,129 9,545 18,509 25,645 92,545 425,707 and 2,128,535, with no remainder.

Since 2,128,535 cannot be divided by just 1 and 2,128,535, 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).