Q: Is 20,211,200 a Composite Number?

Why is 20,211,200 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 20,211,200 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1,280 1,579 1,600 2,560 3,158 3,200 6,316 6,400 7,895 12,632 12,800 15,790 25,264 31,580 39,475 50,528 63,160 78,950 101,056 126,320 157,900 202,112 252,640 315,800 404,224 505,280 631,600 808,448 1,010,560 1,263,200 2,021,120 2,526,400 4,042,240 5,052,800 10,105,600 and 20,211,200, with no remainder.

Since 20,211,200 cannot be divided by just 1 and 20,211,200, 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).