Q: Is 12,767,391 a Composite Number?

Why is 12,767,391 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 12,767,391 can be evenly divided by 1 3 7 9 13 17 21 39 49 51 63 91 117 119 131 147 153 221 273 357 393 441 637 663 819 833 917 1,071 1,179 1,547 1,703 1,911 1,989 2,227 2,499 2,751 4,641 5,109 5,733 6,419 6,681 7,497 8,253 10,829 11,921 13,923 15,327 15,589 19,257 20,043 28,951 32,487 35,763 46,767 57,771 83,447 86,853 97,461 107,289 109,123 140,301 202,657 250,341 260,559 327,369 607,971 751,023 982,107 1,418,599 1,823,913 4,255,797 and 12,767,391, with no remainder.

Since 12,767,391 cannot be divided by just 1 and 12,767,391, 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).