Q: Is 720,900 a Composite Number?

Why is 720,900 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 720,900 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 89 90 100 108 135 150 162 178 180 225 267 270 300 324 356 405 445 450 534 540 675 801 810 890 900 1,068 1,335 1,350 1,602 1,620 1,780 2,025 2,225 2,403 2,670 2,700 3,204 4,005 4,050 4,450 4,806 5,340 6,675 7,209 8,010 8,100 8,900 9,612 12,015 13,350 14,418 16,020 20,025 24,030 26,700 28,836 36,045 40,050 48,060 60,075 72,090 80,100 120,150 144,180 180,225 240,300 360,450 and 720,900, with no remainder.

Since 720,900 cannot be divided by just 1 and 720,900, 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).