Q: Is 217,555,309 a Composite Number?

 A: No, 217,555,309 is not a composite number; it is a prime number.

Why is 217,555,309 not 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 217,555,309 can be evenly divided by 1 and 217,555,309, with no remainder.

Since 217,555,309 can be divided by just 1 and 217,555,309, it is not a composite number.


More Examples

Number 217,555,307217,555,308217,555,310217,555,311
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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