Q: Is 405,423 a Composite Number?

 A: Yes, 405,423 is a composite number.

Why is 405,423 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 405,423 can be evenly divided by 1 3 9 107 321 421 963 1,263 3,789 45,047 135,141 and 405,423, with no remainder.

Since 405,423 cannot be divided by just 1 and 405,423, it is a composite number.


More Examples

Number 405,421405,422405,424405,425
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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