Q: Is 231,105 a Composite Number?

 A: Yes, 231,105 is a composite number.

Why is 231,105 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 231,105 can be evenly divided by 1 3 5 7 15 21 31 35 71 93 105 155 213 217 355 465 497 651 1,065 1,085 1,491 2,201 2,485 3,255 6,603 7,455 11,005 15,407 33,015 46,221 77,035 and 231,105, with no remainder.

Since 231,105 cannot be divided by just 1 and 231,105, it is a composite number.


More Examples

Number 231,103231,104231,106231,107
Composite? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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