Q: Is 258,390 a Composite Number?

Why is 258,390 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 258,390 can be evenly divided by 1 2 3 5 6 9 10 11 15 18 22 27 29 30 33 45 54 55 58 66 81 87 90 99 110 135 145 162 165 174 198 261 270 290 297 319 330 405 435 495 522 594 638 783 810 870 891 957 990 1,305 1,485 1,566 1,595 1,782 1,914 2,349 2,610 2,871 2,970 3,190 3,915 4,455 4,698 4,785 5,742 7,830 8,613 8,910 9,570 11,745 14,355 17,226 23,490 25,839 28,710 43,065 51,678 86,130 129,195 and 258,390, with no remainder.

Since 258,390 cannot be divided by just 1 and 258,390, 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).