Q: Is 5,545,449 a Composite Number?

Why is 5,545,449 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 5,545,449 can be evenly divided by 1 3 7 9 13 21 27 37 39 61 63 91 111 117 183 189 259 273 333 351 427 481 549 777 793 819 999 1,281 1,443 1,647 2,257 2,331 2,379 2,457 3,367 3,843 4,329 5,551 6,771 6,993 7,137 10,101 11,529 12,987 15,799 16,653 20,313 21,411 29,341 30,303 47,397 49,959 60,939 88,023 90,909 142,191 149,877 205,387 264,069 426,573 616,161 792,207 1,848,483 and 5,545,449, with no remainder.

Since 5,545,449 cannot be divided by just 1 and 5,545,449, 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).