Q: Is 21,069,729 a Composite Number?

 A: Yes, 21,069,729 is a composite number.

Why is 21,069,729 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 21,069,729 can be evenly divided by 1 3 9 971 2,411 2,913 7,233 8,739 21,699 2,341,081 7,023,243 and 21,069,729, with no remainder.

Since 21,069,729 cannot be divided by just 1 and 21,069,729, it is a composite number.


More Examples

Number 21,069,72721,069,72821,069,73021,069,731
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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