Q: Is 180,720 a Composite Number?

Why is 180,720 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 180,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 251 360 502 720 753 1,004 1,255 1,506 2,008 2,259 2,510 3,012 3,765 4,016 4,518 5,020 6,024 7,530 9,036 10,040 11,295 12,048 15,060 18,072 20,080 22,590 30,120 36,144 45,180 60,240 90,360 and 180,720, with no remainder.

Since 180,720 cannot be divided by just 1 and 180,720, 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).