Q: Is 21,424,005 a Composite Number?

 A: Yes, 21,424,005 is a composite number.

Why is 21,424,005 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 21,424,005 can be evenly divided by 1 3 5 9 15 45 476,089 1,428,267 2,380,445 4,284,801 7,141,335 and 21,424,005, with no remainder.

Since 21,424,005 cannot be divided by just 1 and 21,424,005, it is a composite number.


More Examples

Number 21,424,00321,424,00421,424,00621,424,007
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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