Q: Is 8,568,990 a Composite Number?

Why is 8,568,990 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 8,568,990 can be evenly divided by 1 2 3 5 6 9 10 15 18 27 30 45 54 71 81 90 135 142 149 162 213 270 298 355 405 426 447 639 710 745 810 894 1,065 1,278 1,341 1,490 1,917 2,130 2,235 2,682 3,195 3,834 4,023 4,470 5,751 6,390 6,705 8,046 9,585 10,579 11,502 12,069 13,410 19,170 20,115 21,158 24,138 28,755 31,737 40,230 52,895 57,510 60,345 63,474 95,211 105,790 120,690 158,685 190,422 285,633 317,370 476,055 571,266 856,899 952,110 1,428,165 1,713,798 2,856,330 4,284,495 and 8,568,990, with no remainder.

Since 8,568,990 cannot be divided by just 1 and 8,568,990, 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).