Q: Is 5,218,122 a Composite Number?

Why is 5,218,122 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 5,218,122 can be evenly divided by 1 2 3 6 7 13 14 19 21 26 38 39 42 57 78 91 114 133 182 247 266 273 399 494 503 546 741 798 1,006 1,482 1,509 1,729 3,018 3,458 3,521 5,187 6,539 7,042 9,557 10,374 10,563 13,078 19,114 19,617 21,126 28,671 39,234 45,773 57,342 66,899 91,546 124,241 133,798 137,319 200,697 248,482 274,638 372,723 401,394 745,446 869,687 1,739,374 2,609,061 and 5,218,122, with no remainder.

Since 5,218,122 cannot be divided by just 1 and 5,218,122, 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).