Q: Is 15,979,986 a Composite Number?

Why is 15,979,986 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 15,979,986 can be evenly divided by 1 2 3 6 9 11 18 22 23 29 33 46 58 66 69 87 99 121 138 174 198 207 242 253 261 319 363 414 506 522 638 667 726 759 957 1,089 1,331 1,334 1,518 1,914 2,001 2,178 2,277 2,662 2,783 2,871 3,509 3,993 4,002 4,554 5,566 5,742 6,003 7,018 7,337 7,986 8,349 10,527 11,979 12,006 14,674 16,698 21,054 22,011 23,958 25,047 30,613 31,581 38,599 44,022 50,094 61,226 63,162 66,033 77,198 80,707 91,839 115,797 132,066 161,414 183,678 231,594 242,121 275,517 347,391 484,242 551,034 694,782 726,363 887,777 1,452,726 1,775,554 2,663,331 5,326,662 7,989,993 and 15,979,986, with no remainder.

Since 15,979,986 cannot be divided by just 1 and 15,979,986, 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).