Q: Is 81,921 a Composite Number?

 A: Yes, 81,921 is a composite number.

Why is 81,921 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 81,921 can be evenly divided by 1 3 7 21 47 83 141 249 329 581 987 1,743 3,901 11,703 27,307 and 81,921, with no remainder.

Since 81,921 cannot be divided by just 1 and 81,921, it is a composite number.


More Examples

Number 81,91981,92081,92281,923
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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