Q: Is 21,387,216 a Composite Number?

 A: Yes, 21,387,216 is a composite number.

Why is 21,387,216 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 21,387,216 can be evenly divided by 1 2 3 4 6 8 12 16 24 48 445,567 891,134 1,336,701 1,782,268 2,673,402 3,564,536 5,346,804 7,129,072 10,693,608 and 21,387,216, with no remainder.

Since 21,387,216 cannot be divided by just 1 and 21,387,216, it is a composite number.


More Examples

Number 21,387,21421,387,21521,387,21721,387,218
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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