Q: Is 1,554,966 a Composite Number?

Why is 1,554,966 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 1,554,966 can be evenly divided by 1 2 3 6 7 9 14 18 21 41 42 43 49 63 82 86 98 123 126 129 147 246 258 287 294 301 369 387 441 574 602 738 774 861 882 903 1,722 1,763 1,806 2,009 2,107 2,583 2,709 3,526 4,018 4,214 5,166 5,289 5,418 6,027 6,321 10,578 12,054 12,341 12,642 15,867 18,081 18,963 24,682 31,734 36,162 37,023 37,926 74,046 86,387 111,069 172,774 222,138 259,161 518,322 777,483 and 1,554,966, with no remainder.

Since 1,554,966 cannot be divided by just 1 and 1,554,966, 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).