Q: Is 155,561,109 a Composite Number?

 A: Yes, 155,561,109 is a composite number.

Why is 155,561,109 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 155,561,109 can be evenly divided by 1 3 11 33 101 121 303 363 1,111 3,333 4,243 12,221 12,729 36,663 46,673 140,019 428,543 513,403 1,285,629 1,540,209 4,713,973 14,141,919 51,853,703 and 155,561,109, with no remainder.

Since 155,561,109 cannot be divided by just 1 and 155,561,109, it is a composite number.


More Examples

Number 155,561,107155,561,108155,561,110155,561,111
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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