Q: Is 23,686,845 a Composite Number?

Why is 23,686,845 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 23,686,845 can be evenly divided by 1 3 5 7 13 15 21 35 37 39 49 65 67 91 105 111 147 185 195 201 245 259 273 335 455 469 481 555 637 735 777 871 1,005 1,295 1,365 1,407 1,443 1,813 1,911 2,345 2,405 2,479 2,613 3,185 3,283 3,367 3,885 4,355 5,439 6,097 7,035 7,215 7,437 9,065 9,555 9,849 10,101 12,395 13,065 16,415 16,835 17,353 18,291 23,569 27,195 30,485 32,227 37,185 42,679 49,245 50,505 52,059 70,707 86,765 91,455 96,681 117,845 121,471 128,037 161,135 213,395 225,589 260,295 353,535 364,413 483,405 607,355 640,185 676,767 1,127,945 1,579,123 1,822,065 3,383,835 4,737,369 7,895,615 and 23,686,845, with no remainder.

Since 23,686,845 cannot be divided by just 1 and 23,686,845, 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).