Q: Is 31,696,731 a Composite Number?

Why is 31,696,731 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 31,696,731 can be evenly divided by 1 3 9 11 19 27 33 41 57 99 123 137 171 209 297 369 411 451 513 627 779 1,107 1,233 1,353 1,507 1,881 2,337 2,603 3,699 4,059 4,521 5,617 5,643 7,011 7,809 8,569 12,177 13,563 16,851 21,033 23,427 25,707 28,633 40,689 50,553 61,787 70,281 77,121 85,899 106,723 151,659 185,361 231,363 257,697 320,169 556,083 773,091 960,507 1,173,953 1,668,249 2,881,521 3,521,859 10,565,577 and 31,696,731, with no remainder.

Since 31,696,731 cannot be divided by just 1 and 31,696,731, 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).