Q: Is 20,511 a Composite Number?

 A: Yes, 20,511 is a composite number.

Why is 20,511 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 20,511 can be evenly divided by 1 3 9 43 53 129 159 387 477 2,279 6,837 and 20,511, with no remainder.

Since 20,511 cannot be divided by just 1 and 20,511, it is a composite number.


More Examples

Number 20,50920,51020,51220,513
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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