Q: Is 21,233,200 a Composite Number?

Why is 21,233,200 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 21,233,200 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 109 200 218 400 436 487 545 872 974 1,090 1,744 1,948 2,180 2,435 2,725 3,896 4,360 4,870 5,450 7,792 8,720 9,740 10,900 12,175 19,480 21,800 24,350 38,960 43,600 48,700 53,083 97,400 106,166 194,800 212,332 265,415 424,664 530,830 849,328 1,061,660 1,327,075 2,123,320 2,654,150 4,246,640 5,308,300 10,616,600 and 21,233,200, with no remainder.

Since 21,233,200 cannot be divided by just 1 and 21,233,200, 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).