Q: Is 137,380,815 a Composite Number?

Why is 137,380,815 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 137,380,815 can be evenly divided by 1 3 5 9 11 13 15 33 37 39 45 55 65 99 111 117 143 165 185 195 333 407 429 481 495 555 577 585 715 1,221 1,287 1,443 1,665 1,731 2,035 2,145 2,405 2,885 3,663 4,329 5,193 5,291 6,105 6,347 6,435 7,215 7,501 8,655 15,873 18,315 19,041 21,349 21,645 22,503 25,965 26,455 31,735 37,505 47,619 57,123 64,047 67,509 79,365 82,511 95,205 106,745 112,515 192,141 234,839 238,095 247,533 277,537 285,615 320,235 337,545 412,555 704,517 742,599 832,611 960,705 1,174,195 1,237,665 1,387,685 2,113,551 2,497,833 3,052,907 3,522,585 3,712,995 4,163,055 9,158,721 10,567,755 12,489,165 15,264,535 27,476,163 45,793,605 and 137,380,815, with no remainder.

Since 137,380,815 cannot be divided by just 1 and 137,380,815, 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).