Q: Is 2,560,640 a Composite Number?

Why is 2,560,640 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 2,560,640 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 4,001 8,002 16,004 20,005 32,008 40,010 64,016 80,020 128,032 160,040 256,064 320,080 512,128 640,160 1,280,320 and 2,560,640, with no remainder.

Since 2,560,640 cannot be divided by just 1 and 2,560,640, 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).