Q: Is 221,201,200 a Composite Number?

Why is 221,201,200 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 221,201,200 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1,100 2,200 4,400 50,273 100,546 201,092 251,365 402,184 502,730 553,003 804,368 1,005,460 1,106,006 1,256,825 2,010,920 2,212,012 2,513,650 2,765,015 4,021,840 4,424,024 5,027,300 5,530,030 8,848,048 10,054,600 11,060,060 13,825,075 20,109,200 22,120,120 27,650,150 44,240,240 55,300,300 110,600,600 and 221,201,200, with no remainder.

Since 221,201,200 cannot be divided by just 1 and 221,201,200, 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).