Q: Is 1,117,578 a Composite Number?

Why is 1,117,578 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 1,117,578 can be evenly divided by 1 2 3 6 7 11 14 21 22 33 41 42 59 66 77 82 118 123 154 177 231 246 287 354 413 451 462 574 649 826 861 902 1,239 1,298 1,353 1,722 1,947 2,419 2,478 2,706 3,157 3,894 4,543 4,838 6,314 7,257 9,086 9,471 13,629 14,514 16,933 18,942 26,609 27,258 33,866 50,799 53,218 79,827 101,598 159,654 186,263 372,526 558,789 and 1,117,578, with no remainder.

Since 1,117,578 cannot be divided by just 1 and 1,117,578, 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).