Q: Is 8,731,398 a Composite Number?

Why is 8,731,398 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 8,731,398 can be evenly divided by 1 2 3 6 13 23 26 31 39 46 62 69 78 93 138 157 186 299 314 403 471 598 713 806 897 942 1,209 1,426 1,794 2,041 2,139 2,418 3,611 4,082 4,278 4,867 6,123 7,222 9,269 9,734 10,833 12,246 14,601 18,538 21,666 27,807 29,202 46,943 55,614 63,271 93,886 111,941 126,542 140,829 189,813 223,882 281,658 335,823 379,626 671,646 1,455,233 2,910,466 4,365,699 and 8,731,398, with no remainder.

Since 8,731,398 cannot be divided by just 1 and 8,731,398, 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).