Q: Is 21,357,021 a Composite Number?

 A: Yes, 21,357,021 is a composite number.

Why is 21,357,021 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 21,357,021 can be evenly divided by 1 3 7 21 29 87 203 609 35,069 105,207 245,483 736,449 1,017,001 3,051,003 7,119,007 and 21,357,021, with no remainder.

Since 21,357,021 cannot be divided by just 1 and 21,357,021, it is a composite number.


More Examples

Number 21,357,01921,357,02021,357,02221,357,023
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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