Q: Is 13,420,407 a Composite Number?

Why is 13,420,407 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 13,420,407 can be evenly divided by 1 3 7 11 13 21 33 39 41 77 91 109 123 143 231 273 287 327 429 451 533 763 861 1,001 1,199 1,353 1,417 1,599 2,289 3,003 3,157 3,597 3,731 4,251 4,469 5,863 8,393 9,471 9,919 11,193 13,407 15,587 17,589 25,179 29,757 31,283 41,041 46,761 49,159 58,097 93,849 109,109 123,123 147,477 174,291 327,327 344,113 406,679 639,067 1,032,339 1,220,037 1,917,201 4,473,469 and 13,420,407, with no remainder.

Since 13,420,407 cannot be divided by just 1 and 13,420,407, 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).