Q: Is 812,800 a Composite Number?

Why is 812,800 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 812,800 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 127 128 160 200 254 256 320 400 508 635 640 800 1,016 1,270 1,280 1,600 2,032 2,540 3,175 3,200 4,064 5,080 6,350 6,400 8,128 10,160 12,700 16,256 20,320 25,400 32,512 40,640 50,800 81,280 101,600 162,560 203,200 406,400 and 812,800, with no remainder.

Since 812,800 cannot be divided by just 1 and 812,800, 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).