Q: Is 1,515,456 a Composite Number?

Why is 1,515,456 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 1,515,456 can be evenly divided by 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 877 1,728 1,754 2,631 3,508 5,262 7,016 7,893 10,524 14,032 15,786 21,048 23,679 28,064 31,572 42,096 47,358 56,128 63,144 84,192 94,716 126,288 168,384 189,432 252,576 378,864 505,152 757,728 and 1,515,456, with no remainder.

Since 1,515,456 cannot be divided by just 1 and 1,515,456, 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).