Q: Is 231,231,021 a Composite Number?

 A: Yes, 231,231,021 is a composite number.

Why is 231,231,021 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 231,231,021 can be evenly divided by 1 3 7 21 41 123 271 287 813 861 991 1,897 2,973 5,691 6,937 11,111 20,811 33,333 40,631 77,777 121,893 233,331 268,561 284,417 805,683 853,251 1,879,927 5,639,781 11,011,001 33,033,003 77,077,007 and 231,231,021, with no remainder.

Since 231,231,021 cannot be divided by just 1 and 231,231,021, it is a composite number.


More Examples

Number 231,231,019231,231,020231,231,022231,231,023
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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