Q: Is 21,720,049 a Composite Number?

 A: Yes, 21,720,049 is a composite number.

Why is 21,720,049 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 21,720,049 can be evenly divided by 1 13 169 128,521 1,670,773 and 21,720,049, with no remainder.

Since 21,720,049 cannot be divided by just 1 and 21,720,049, it is a composite number.


More Examples

Number 21,720,04721,720,04821,720,05021,720,051
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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