Q: Is 8,578,728 a Composite Number?

Why is 8,578,728 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 8,578,728 can be evenly divided by 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1,368 6,271 12,542 18,813 25,084 37,626 50,168 56,439 75,252 112,878 119,149 150,504 225,756 238,298 357,447 451,512 476,596 714,894 953,192 1,072,341 1,429,788 2,144,682 2,859,576 4,289,364 and 8,578,728, with no remainder.

Since 8,578,728 cannot be divided by just 1 and 8,578,728, 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).