Q: Is 1,087,830 a Composite Number?

Why is 1,087,830 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 1,087,830 can be evenly divided by 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 79 81 85 90 102 135 153 158 162 170 237 255 270 306 395 405 459 474 510 711 765 790 810 918 1,185 1,343 1,377 1,422 1,530 2,133 2,295 2,370 2,686 2,754 3,555 4,029 4,266 4,590 6,399 6,715 6,885 7,110 8,058 10,665 12,087 12,798 13,430 13,770 20,145 21,330 24,174 31,995 36,261 40,290 60,435 63,990 72,522 108,783 120,870 181,305 217,566 362,610 543,915 and 1,087,830, with no remainder.

Since 1,087,830 cannot be divided by just 1 and 1,087,830, 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).