Q: Is 72,471,540 a Composite Number?

Why is 72,471,540 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 72,471,540 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 101 202 303 404 505 606 1,010 1,212 1,515 2,020 3,030 6,060 11,959 23,918 35,877 47,836 59,795 71,754 119,590 143,508 179,385 239,180 358,770 717,540 1,207,859 2,415,718 3,623,577 4,831,436 6,039,295 7,247,154 12,078,590 14,494,308 18,117,885 24,157,180 36,235,770 and 72,471,540, with no remainder.

Since 72,471,540 cannot be divided by just 1 and 72,471,540, 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).