Q: Is 123,001,515 a Composite Number?

Why is 123,001,515 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 123,001,515 can be evenly divided by 1 3 5 7 9 13 15 21 35 39 45 49 63 65 91 105 117 147 195 245 273 315 343 441 455 585 613 637 735 819 1,029 1,365 1,715 1,839 1,911 2,205 3,065 3,087 3,185 4,095 4,291 4,459 5,145 5,517 5,733 7,969 9,195 9,555 12,873 13,377 15,435 21,455 22,295 23,907 27,585 28,665 30,037 38,619 39,845 40,131 55,783 64,365 66,885 71,721 90,111 119,535 150,185 167,349 193,095 200,655 210,259 270,333 278,915 358,605 390,481 450,555 502,047 630,777 836,745 1,051,295 1,171,443 1,351,665 1,892,331 1,952,405 2,510,235 2,733,367 3,153,885 3,514,329 5,857,215 8,200,101 9,461,655 13,666,835 17,571,645 24,600,303 41,000,505 and 123,001,515, with no remainder.

Since 123,001,515 cannot be divided by just 1 and 123,001,515, 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).