Q: Is 1,816,776 a Composite Number?

Why is 1,816,776 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 1,816,776 can be evenly divided by 1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 156 216 234 312 351 468 647 702 936 1,294 1,404 1,941 2,588 2,808 3,882 5,176 5,823 7,764 8,411 11,646 15,528 16,822 17,469 23,292 25,233 33,644 34,938 46,584 50,466 67,288 69,876 75,699 100,932 139,752 151,398 201,864 227,097 302,796 454,194 605,592 908,388 and 1,816,776, with no remainder.

Since 1,816,776 cannot be divided by just 1 and 1,816,776, 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).