Q: Is 1,246,728 a Composite Number?

Why is 1,246,728 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 1,246,728 can be evenly divided by 1 2 3 4 6 7 8 12 14 21 24 28 41 42 56 82 84 123 164 168 181 246 287 328 362 492 543 574 724 861 984 1,086 1,148 1,267 1,448 1,722 2,172 2,296 2,534 3,444 3,801 4,344 5,068 6,888 7,421 7,602 10,136 14,842 15,204 22,263 29,684 30,408 44,526 51,947 59,368 89,052 103,894 155,841 178,104 207,788 311,682 415,576 623,364 and 1,246,728, with no remainder.

Since 1,246,728 cannot be divided by just 1 and 1,246,728, 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).