Q: Is 7,420,725 a Composite Number?

Why is 7,420,725 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 7,420,725 can be evenly divided by 1 3 5 9 13 15 25 39 43 45 59 65 75 117 129 177 195 215 225 295 325 387 531 559 585 645 767 885 975 1,075 1,475 1,677 1,935 2,301 2,537 2,655 2,795 2,925 3,225 3,835 4,425 5,031 6,903 7,611 8,385 9,675 11,505 12,685 13,275 13,975 19,175 22,833 25,155 32,981 34,515 38,055 41,925 57,525 63,425 98,943 114,165 125,775 164,905 172,575 190,275 296,829 494,715 570,825 824,525 1,484,145 2,473,575 and 7,420,725, with no remainder.

Since 7,420,725 cannot be divided by just 1 and 7,420,725, 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).