Q: Is 18,787,010 a Composite Number?

Why is 18,787,010 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 18,787,010 can be evenly divided by 1 2 5 10 11 19 22 38 55 89 95 101 110 178 190 202 209 418 445 505 890 979 1,010 1,045 1,111 1,691 1,919 1,958 2,090 2,222 3,382 3,838 4,895 5,555 8,455 8,989 9,595 9,790 11,110 16,910 17,978 18,601 19,190 21,109 37,202 42,218 44,945 89,890 93,005 98,879 105,545 170,791 186,010 197,758 211,090 341,582 494,395 853,955 988,790 1,707,910 1,878,701 3,757,402 9,393,505 and 18,787,010, with no remainder.

Since 18,787,010 cannot be divided by just 1 and 18,787,010, 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).