Q: Is 720,120 a Composite Number?

Why is 720,120 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 720,120 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 353 408 510 680 706 1,020 1,059 1,412 1,765 2,040 2,118 2,824 3,530 4,236 5,295 6,001 7,060 8,472 10,590 12,002 14,120 18,003 21,180 24,004 30,005 36,006 42,360 48,008 60,010 72,012 90,015 120,020 144,024 180,030 240,040 360,060 and 720,120, with no remainder.

Since 720,120 cannot be divided by just 1 and 720,120, 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).