Q: Is 21,122,048 a Composite Number?

Why is 21,122,048 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 21,122,048 can be evenly divided by 1 2 4 8 16 32 64 128 256 512 1,024 20,627 41,254 82,508 165,016 330,032 660,064 1,320,128 2,640,256 5,280,512 10,561,024 and 21,122,048, with no remainder.

Since 21,122,048 cannot be divided by just 1 and 21,122,048, 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).