Q: Is 3,995,901 a Composite Number?

Why is 3,995,901 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 3,995,901 can be evenly divided by 1 3 7 9 13 17 21 39 41 49 51 63 91 117 119 123 147 153 221 273 287 357 369 441 533 637 663 697 819 833 861 1,071 1,547 1,599 1,911 1,989 2,009 2,091 2,499 2,583 3,731 4,641 4,797 4,879 5,733 6,027 6,273 7,497 9,061 10,829 11,193 13,923 14,637 18,081 26,117 27,183 32,487 33,579 34,153 43,911 63,427 78,351 81,549 97,461 102,459 190,281 235,053 307,377 443,989 570,843 1,331,967 and 3,995,901, with no remainder.

Since 3,995,901 cannot be divided by just 1 and 3,995,901, 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).