Q: Is 221,102,200 a Composite Number?

Why is 221,102,200 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 221,102,200 can be evenly divided by 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1,100 2,200 100,501 201,002 402,004 502,505 804,008 1,005,010 1,105,511 2,010,020 2,211,022 2,512,525 4,020,040 4,422,044 5,025,050 5,527,555 8,844,088 10,050,100 11,055,110 20,100,200 22,110,220 27,637,775 44,220,440 55,275,550 110,551,100 and 221,102,200, with no remainder.

Since 221,102,200 cannot be divided by just 1 and 221,102,200, 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).