Q: Is 642,330 a Composite Number?

Why is 642,330 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 642,330 can be evenly divided by 1 2 3 5 6 9 10 13 15 18 26 27 30 39 45 54 61 65 78 81 90 117 122 130 135 162 183 195 234 270 305 351 366 390 405 549 585 610 702 793 810 915 1,053 1,098 1,170 1,586 1,647 1,755 1,830 2,106 2,379 2,745 3,294 3,510 3,965 4,758 4,941 5,265 5,490 7,137 7,930 8,235 9,882 10,530 11,895 14,274 16,470 21,411 23,790 24,705 35,685 42,822 49,410 64,233 71,370 107,055 128,466 214,110 321,165 and 642,330, with no remainder.

Since 642,330 cannot be divided by just 1 and 642,330, 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).