Q: Is 825,405 a Composite Number?

 A: Yes, 825,405 is a composite number.

Why is 825,405 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 825,405 can be evenly divided by 1 3 5 7 15 21 35 49 105 147 245 735 1,123 3,369 5,615 7,861 16,845 23,583 39,305 55,027 117,915 165,081 275,135 and 825,405, with no remainder.

Since 825,405 cannot be divided by just 1 and 825,405, it is a composite number.


More Examples

Number 825,403825,404825,406825,407
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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