Q: Is 81,125 a Composite Number?

 A: Yes, 81,125 is a composite number.

Why is 81,125 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 81,125 can be evenly divided by 1 5 11 25 55 59 125 275 295 649 1,375 1,475 3,245 7,375 16,225 and 81,125, with no remainder.

Since 81,125 cannot be divided by just 1 and 81,125, it is a composite number.


More Examples

Number 81,12381,12481,12681,127
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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