Q: Is 1,641,744 a Composite Number?

Why is 1,641,744 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 1,641,744 can be evenly divided by 1 2 3 4 6 8 9 12 13 16 18 24 26 36 39 48 52 72 78 104 117 144 156 208 234 312 468 624 877 936 1,754 1,872 2,631 3,508 5,262 7,016 7,893 10,524 11,401 14,032 15,786 21,048 22,802 31,572 34,203 42,096 45,604 63,144 68,406 91,208 102,609 126,288 136,812 182,416 205,218 273,624 410,436 547,248 820,872 and 1,641,744, with no remainder.

Since 1,641,744 cannot be divided by just 1 and 1,641,744, 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).