Q: Is 1,563,900 a Composite Number?

Why is 1,563,900 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 1,563,900 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 390 401 650 780 802 975 1,203 1,300 1,604 1,950 2,005 2,406 3,900 4,010 4,812 5,213 6,015 8,020 10,025 10,426 12,030 15,639 20,050 20,852 24,060 26,065 30,075 31,278 40,100 52,130 60,150 62,556 78,195 104,260 120,300 130,325 156,390 260,650 312,780 390,975 521,300 781,950 and 1,563,900, with no remainder.

Since 1,563,900 cannot be divided by just 1 and 1,563,900, 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).