Q: Is 421,405 a Composite Number?

 A: Yes, 421,405 is a composite number.

Why is 421,405 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 421,405 can be evenly divided by 1 5 271 311 1,355 1,555 84,281 and 421,405, with no remainder.

Since 421,405 cannot be divided by just 1 and 421,405, it is a composite number.


More Examples

Number 421,403421,404421,406421,407
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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