Q: Is 7,215,400 a Composite Number?

Why is 7,215,400 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 7,215,400 can be evenly divided by 1 2 4 5 8 10 20 25 40 43 50 86 100 172 200 215 344 430 839 860 1,075 1,678 1,720 2,150 3,356 4,195 4,300 6,712 8,390 8,600 16,780 20,975 33,560 36,077 41,950 72,154 83,900 144,308 167,800 180,385 288,616 360,770 721,540 901,925 1,443,080 1,803,850 3,607,700 and 7,215,400, with no remainder.

Since 7,215,400 cannot be divided by just 1 and 7,215,400, 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).