Q: Is 1,405,824 a Composite Number?

Why is 1,405,824 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 1,405,824 can be evenly divided by 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 523 672 896 1,046 1,344 1,569 2,092 2,688 3,138 3,661 4,184 6,276 7,322 8,368 10,983 12,552 14,644 16,736 21,966 25,104 29,288 33,472 43,932 50,208 58,576 66,944 87,864 100,416 117,152 175,728 200,832 234,304 351,456 468,608 702,912 and 1,405,824, with no remainder.

Since 1,405,824 cannot be divided by just 1 and 1,405,824, 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).