Q: Is 1,440,144 a Composite Number?

Why is 1,440,144 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 1,440,144 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 36 48 72 73 137 144 146 219 274 292 411 438 548 584 657 822 876 1,096 1,168 1,233 1,314 1,644 1,752 2,192 2,466 2,628 3,288 3,504 4,932 5,256 6,576 9,864 10,001 10,512 19,728 20,002 30,003 40,004 60,006 80,008 90,009 120,012 160,016 180,018 240,024 360,036 480,048 720,072 and 1,440,144, with no remainder.

Since 1,440,144 cannot be divided by just 1 and 1,440,144, 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).