Q: Is 8,872,578 a Composite Number?

Why is 8,872,578 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 8,872,578 can be evenly divided by 1 2 3 6 9 11 13 18 22 26 27 33 39 54 66 78 81 99 117 143 162 198 234 286 297 351 383 429 594 702 766 858 891 1,053 1,149 1,287 1,782 2,106 2,298 2,574 3,447 3,861 4,213 4,979 6,894 7,722 8,426 9,958 10,341 11,583 12,639 14,937 20,682 23,166 25,278 29,874 31,023 37,917 44,811 54,769 62,046 75,834 89,622 109,538 113,751 134,433 164,307 227,502 268,866 328,614 341,253 403,299 492,921 682,506 806,598 985,842 1,478,763 2,957,526 4,436,289 and 8,872,578, with no remainder.

Since 8,872,578 cannot be divided by just 1 and 8,872,578, 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).