Q: Is 1,845,558 a Composite Number?

Why is 1,845,558 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 1,845,558 can be evenly divided by 1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 99 117 143 198 234 239 286 297 351 429 478 594 702 717 858 1,287 1,434 2,151 2,574 2,629 3,107 3,861 4,302 5,258 6,214 6,453 7,722 7,887 9,321 12,906 15,774 18,642 23,661 27,963 34,177 47,322 55,926 68,354 70,983 83,889 102,531 141,966 167,778 205,062 307,593 615,186 922,779 and 1,845,558, with no remainder.

Since 1,845,558 cannot be divided by just 1 and 1,845,558, 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).