Q: Is 7,575,078 a Composite Number?

Why is 7,575,078 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 7,575,078 can be evenly divided by 1 2 3 6 7 14 21 41 42 53 82 83 106 123 159 166 246 249 287 318 371 498 574 581 742 861 1,113 1,162 1,722 1,743 2,173 2,226 3,403 3,486 4,346 4,399 6,519 6,806 8,798 10,209 13,038 13,197 15,211 20,418 23,821 26,394 30,422 30,793 45,633 47,642 61,586 71,463 91,266 92,379 142,926 180,359 184,758 360,718 541,077 1,082,154 1,262,513 2,525,026 3,787,539 and 7,575,078, with no remainder.

Since 7,575,078 cannot be divided by just 1 and 7,575,078, 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).