Q: Is 2,104,245 a Composite Number?

Why is 2,104,245 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 2,104,245 can be evenly divided by 1 3 5 9 11 13 15 27 33 39 45 55 65 99 109 117 135 143 165 195 297 327 351 429 495 545 585 715 981 1,199 1,287 1,417 1,485 1,635 1,755 2,145 2,943 3,597 3,861 4,251 4,905 5,995 6,435 7,085 10,791 12,753 14,715 15,587 17,985 19,305 21,255 32,373 38,259 46,761 53,955 63,765 77,935 140,283 161,865 191,295 233,805 420,849 701,415 and 2,104,245, with no remainder.

Since 2,104,245 cannot be divided by just 1 and 2,104,245, 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).